5 million people in the United States develop pressure ulcers. Lead Exposure - The breakdown of lead workers under medical surveillance (. Feedback can also be emailed to statsonline@swa. accident frequency rate calculation excel; accident frequency rate calculation excel. 75. 7 The difference may be explained by the different way of calculating the injury incidence rate. According to the most comprehensive study to date on the estimated global incidence of TBI, more than 27 million new cases of people with medically treated TBI occurred in 2016, for an age-standardized incidence of 369 per 100,000 world population (James et al. Whether playing position influences injury in male academy soccer players (ASPs) is unclear. 2. However, this reduction is marginal, and the injury rate appears to plateauing. 2 Lost Time Injury Frequency Rate (LTIFR) LTIFR is calculated by looking at the number of occurrences of Lost Time Injury that result in a permanent disability or time lost from work of one day shift or more in the period, divided by the number of hours worked (see glossary for frequency rate formula). (N/EH) x 200,000 <class=bold>=. 0 Man-days Lost5 544,664 417,063 KEY FACTS No. on the incidence rate and number of work-related injuries, illnesses, and fatal. LTIFR – Loss time injury frequency rate; MTIFR – Medical treatment injury frequency rate; TRIFR – Total recordable injury frequency rate; How we learn. The calculation is: Total Fatal Injuries*1,000,000,000/Total Hours Worked. 4 and 14. 1. (b) LWDI rate. The TRIFR is not to be confused with the similarly named LTIFR (lost time injury frequency rate). Please use the following calculation to determine your organisation s Total Recordable Injury Frequency Rate (TRIFR) in response to this question: TRIFR = (LTI+MTI+RWI) x 1,000,000 Hours worked Definitions: Lost Time Injury (LTI): A work related Injury that results in a loss of one or more complete work days/shifts Medical Treatment Injury. 000. 1 Introduction. 0% for the cohort. We learn from failure. Summary of Findings. 73 2. , as a direct result of an impact or traumatic event with sudden feelings of pain), overuse (i. Of the total number of injuries in 2020, 15,799 (42. 38 1. Helps normalize for the actual hours worked and particularly helpful for larger. Other tournament-related head injury data showed an almost similar incidence rate of 11. 32 cases per 100,000 . ‘Delayed’ deaths that occur within 180 days post incident are to be included if the death was a direct result of the incident (refer to the Annual IOGP Safety Performance Indicators User Guide for the definition and further guidance on fatality, ‘delayed’ deaths, work related. Custom Lost Time Injury Calculator calculator, built using CALCONIC_. 39). Injuries resulting from falls or being struck by/against an object accounted for more than 44%. To give you an idea of companies and use cases on the higher end of the total recordable injury frequency rate spectrum, In Australia, the companies with the highest TRIFR in 2017 were WesFarmers (28. The total injury incidence rate was 11. The formula can also be multiplied by 1,000,000 to get the injury frequency. After reviewing and compiling your safety data, you’ve determined that there were six lost time injuries in the past year at your manufacturing company and a total of 2,500,000 hours worked. And voila! An injury frequency rate is the number of injuries per 1,000,000 employee-hours worked. "Incidence rates" are the number of injuries in a category times. done by calculating exposure-adjusted incidence rate, 100-patient years. 1,000 . In cases with multiple injuries, assign the case to the category representing the most severe injury. 3. 78). 86 17. Lost time injury frequency rates. Frequency Rate = Total number of disabling injuries x 1,000,000 Employee-hours of Exposure. Incident resulting in fatality = 1. Days must be taken off from the job for medical treatment . 3 per 1000 match hours. Total recordable injuries rate (TRIR) The number of recordable. 8 injuries/1000 hours (Brown and Kimball, 1983 ; Haykowsky et al. 5. Medical treatment injuries Those incidents, which were not lost time injuries or disabling injuries, for which first aid and/or medical treatment was required by a doctor, nurse or person qualified to give. What is the LWDI?Incidence rate = (50,000 / 1,999,000) x 100 = 2. How does the injury illness incident rate compare with the traditional frequency rate? The injury/illness incidence rate computation prescribed by OSHA relates to 200,000 work-hours (roughly one year for a 100-employee firm), whereas the traditional frequency rate relates to 1,000,000. 61 1. 1%), for sprinters in April (19. (Learn more about Calculating Your Company's Lost Time Injury Frequency Rate) How to Calculate Your DART Rate. When extrapolated to the over 33. You can calculate this KPI with the following formula: TRIFR = total number of incidents x 1,000,000 labor hours / total employee hours worked For a company with 150 medical incidents over the course of 4,000,000 employee hours, you. 39Figure 2: Total Recordable Injury Frequency Rate 2017-2022. Advanced Safety Dashboard Excel Template. population of. 2–79. 47 Near Miss Report Frequency Rate 3 Workers Died. PUBLISHED BY STANDARDS AUSTRALIAThis study analyzed WC accepted disabling claims for the construction industry in the State of Oregon in the US from a 7‐year period of 2007‐2013. AIFR = (Reported injuries x 200,000) / Employee total hours worked. Third, incidence rates of missed pelvis and hip injuries have decreased over the last three decades (1980-Present). Lost Time Injury Days (LTID) is another way to record injury rates. 9% compared with 22. 2. Terjadi 60. The number of disabling (lost time) injuries per million employee-hours of exposure: DIFR = Disabling Injuries x 1,000,000 / Employee-hours of exposure. Pre-hospital, or emergency medical services (paramedics) can be improved. 5% (n = 283) after major lower extremity amputation in a group of primarily diabetic patients. Depending on the denominator(s) used, a facility may be viewed favorably or negatively. To calculate the incidence rate, we use this incidence rate calculator: Total number of new cases = 1; and; Total population at risk = 50,000. In addition, although CDC estimates are adjusted for it, the importance of underreporting must be acknowledged. Sources of data 23 11. TRIFR can sometimes be used interchangeably with the lost time injury frequency rate, but it is different in that it includes other types. a. Some people confuse this formula with the formula for lost time injuries, but the total recordable injury frequency rate includes all injuries requiring medical treatment from a medical professional - which in theory means that it will be a larger number. 20 1. 4 and 14. Incidence rate calculation. 2. 0 or under as the average TRIR across the board was 3. The final size is small scale rioting, which is similar in size to the Bradford and Oldham riots in 2001. During the year 2014 there were seven first-aid cases, three medical treatment injuries, an accident in which and injured employee was required to work one week in restricted work activity, a work-related illness in which the employee lost one week of work, a work-related illness in which the employee lost six weeks of work,. 1 per 1000 hours. The most important thing is to . 7. 4. 0 Scope 1 3. An analysis of data from worker’s compensation claims in California, Florida, Massachusetts, Minnesota and Oregon over a five-year period found that the incidence of. It is intended to serve as a manual of best practices for. occupied bed days • Injurious . comparable across any industry or group. At Ecesis, we have easy-to-use, EHS software and a mobile app that helps you manage, track, and report incidents. There is a difference between the frequency rate and the. Aragon-Sanchez et al. A Medical Treatment Injury (MTI) is a work-related injury resulting in the management and care of a patient to combat disease or. Calculate the injury incidence rate and the LWDI. accident frequency rate calculation excel. There is a need to accurately quantify injury rates in men’s elite ice hockey both for assessing player risk [] and the. Number of Lost Workdays represents the total number of days employees were unable to work. ( 25 x 200,000 ) / ( 300 x 40 x 50 ) = 8. Number of injuries. The website delivers national work health and safety and workers’ compensation data in an intuitive, user-friendly way. 0% Stage 2 incidence % of Total PI 38. in. Menghitung angka-angka kecelakaan menurut Dainur (1992), yang meliputi: a) Angka frekuensi kecelakaan kerja (Frequency Rate) FR = Banyaknya kecelakaan x 1. This number equates to 100 employees, who work 40 hours per week, and who work 50 weeks per year. The injury required medical attention, for which John received sutures at the local emergency room. Once the items described above are determined, an employer can compute the incidence rate of injuries and illnesses using the following formula: (Number of injuries and illnesses x 200,000)/Employee hours worked. MTI: Medical Treatment Injury Frequency Rate (injuries per million hours) I: Total number of injuries over the time period; HW: Total hours worked; Example. Calculate the injury incidence rate and the LWDI. Using this standardized base rate, any company can calculate their rate(s) and get a percentage per 100 employees. , 2011 ). The LTIFR is the average number of lost-time injuries per million hours worked for each industry in Australia in each year, regardless of how serious the injury. Loss Time Injury Frequency Rate Jumlah cidera atau sakit akibat kecelakaan kerja dibagi satu juta jam kerja Severity Rate Waktu (hari) yang hilang dan waktu pada (hari) pekerjaan alternatif yang hilang dibagi satu juta jam kerja Total Recordable Injury Frequency Rate Jumlah total cidera akibat kerja yang harus dicatat (MTI, LTI & Ciderathen, in the frequency formula: F = (12 x 106)/2,189,243 = 5. Any patient who undergoes treatment may. 1. Those two values become the basis for calculating the lost time injury frequency rate (LTIFR) at the end of each period. of Occupational Disease Cases workersThe output of this all injury frequency rate calculation is your AIFR 'score' and indicates how many injuries are suffered when standardised across 100 employee working 40 hours per week for one year. The report presents contributing IOGP Members’ global results for these. This is a measure of all reportable injuries - lost time injuries, restricted work injuries and medical treatment cases - per 200,000 hours worked. Issue: Pressure injuries are significant health issues and one of the biggest challenges organizations face on a day-to-day basis. Injury frequency rate = (Number of injuries in the period × 1,000,000) / Number of hours worked in the period Safeopedia Explains Injury Frequency Rate. 38 0. • Within private industry, the DAFW incidence rate for men decreased from 94. Calculating TRIFR. Expert Answer. The TRIFR is the number of injuries (excluding fatalities) requiring medical treatment per million hours worked within an organisation. In cases with multiple injuries, assign the case to the category representing the most severe injury. 1 first published in part as AS CZ6-1952. A single injury or illness has a much greater effect on incidence rates in small establishments than on larger. 056 sharps injuries per FTE . Sports injuries occur when athletes are exposed to their given sport and they occur under specific conditions, at a known. Then, the number is multiplied by 200,000 to make it easier to use and interpret. Frequency rate — the number of injuries per million hours worked. 4 Recording periods for injuries, diseases and fatalities 8 Supporting guidance for recording injuries and diseases 10 3. 40 4. nestle splash water dollar general. Enter N = Number of Recordable Injuries and/or Illnesses in One Year EH = Total Number of Hours Worked by all Employees in One Year 200,000 = Equivalent of 100 Full-Time Employees Working 40 Hour Weeks. The injury frequency rate formula and calculation Calculating your all injury frequency rate is relatively straightforward when using the right formula and keeping track of injuries efficiently. Why 200,000? per 1 000 000 hours : the number of new cases of injury during the calendar year divided byyy the total number of hours worked by workers in the In this formula, Injury frequency rate uses Number of Disabling Injuries & Man. Medical Services. Method of calculation : Frequency rate = number of accidents. During hospitalization, the approximate incidence rate of acute kidney injury is 2% to 5%, and it develops in up to 67% of patients admitted to the intensive care unit. The formula can also be multiplied by 1,000,000 to get the injury frequency. 1. Here’s how you can calculate LTIFR: Step 1: Identify the Number of Lost Time Injuries (LTI) An LTI refers to any injury sustained by an employee that results in them missing at least one full day of work after the day the injury occurred. So when comparing rates, you have to be careful about which calculation method is used. by achieving a reduction in Total Recordable Case. Some good workplace surveys back in the early 2000's show some of the MTIFR results for the chemical and plastics injuries, where they averaged between 9. Fatal incidence rate — the number of fatalities per 1,000 employees for a 12 month period. 000 Jumlah total jam kerja. The calculation is based upon the number of lost time injures within a given period divided by the total number of hours worked in that period. During the year, there are seven first-aid cases, three medical-treatment injuries, an accident in which an injured employee was required to work 1 week in restricted work activity, a work-related illness in which the employee lost 1 week of work, a work-related illness in which the employee lost 6 weeks of work, and a fatality resulting. (Number of OSHA recordable cases x 200,000) / Total number of. Calculate Now. decubitus ulcer, pressure injury, pressure sore, bedsore, incidence, and as well as all possible combinations. An incidence rate of injuries and illnesses may be computed from the following formula: (Number of injuries and illnesses X 200,000) / Employee hours worked = Incidence rate. during the year, there are seven first-aid cases, three medical-treatment injuries, an accident in which an injuried employee was required to work 1 week in restricted work activity, a work-related illness in which the employee lost 1 week of the work, a work-related illness in which the employee lost 6 weeks of work, and. 66 Total Recordable Injury Frequency Rate 34. Mortality was 1%. 3 cases in 2018. Percentage of Claims Frequency (d ÷ e): % The following table demonstrates how the information submitted above will be evaluated. 15 3. Algorithm refinements in these and other tools are now possible due to the . org. Medical information at dayofdifference. A recordable incident is any work-related injury and illness that result in death, loss of consciousness, days away from work, restricted work activity, transfer to another job, or medical treatment beyond. It provides an idea about the organization’s efforts to protect the workers from work related hazards. JURNAL K3LL. When calculated over a short period of time, the risk and the incidence rate will be rather similar, because the influence of loss to follow-up and competing. xlsx) [112] Table 1: The breakdown of lead workers under medical surveillance by sex and age. 7% higher. The highest number of head injuries were reported during FIFA World Cup tournaments. To break down the formula:. This formula is used to calculate an organization's TRIFR: TRIFR = {(LTI + MTI + RWI) x 1,00,000} / Hours Worked. 7 (a) Basic requirement. “Incidence rate” or “incidence” is numerically defined as the number of. It is expressed as the number of injuries per 1 000 persons employed. 54 = 1. So, the rate of pain relief was greater in the group receiving the new drug. f 10. 22, unchanged compared with 2020. 16 . Occupational Safety and Health Administration defines incidence rate as the number of injuries/illnesses × 200000/employee-hours worked, where 200000 represents the equivalent of 100 employees working for 40 hrs per week, 50 weeks per year. 1904. This results in an elevation of serum blood urea nitrogen (BUN), creatinine, and other metabolic waste products that are normally excreted by the kidney. In recent years, attention has been focused on the prevention and treatment of sports injuries. Suggested approach • Total . 2. A death as a result of a work-related incident. 6. Illness resulting in one week loss work day = 1. Where: Severity Rate is the rate that indicates the severity of workplace injuries and illnesses. TRIFR calculation = (Recorded fatalities + LTIs + other injuries x 1,000,000) / Employee total hours worked. 000322 x 100,000 = 32. Injury rate, 2. Slide 21The U. 5 to $5. Fall-Related Injury Rates. See the latest industry incidence rates (OSHA recordable case rates), or calculate a firm's incidence rate by using BLS's incidence rate calculator. This is a measure of all reportable injuries - lost time injuries, restricted work injuries and medical treatment cases - per 200,000 hours worked. The principle causes of occupational diseases that resulted in medical. Appendix B outlines the recordability of medical aid cases versus first aids cases. (a) Calculate the general injury-illness incidence rate. S. Medical treatment injuries 3. This is a true rate, because time is an integral part of the calculation, analogous to miles per hour (a rate of. 2%) were minor injuries. 72 3. Complete the table and calculate the following: (a) Total injury incidence rate (b) Total illness incidence rate (c). Pressure injury (PI) is a serious problem in health care settings globally and it affects the health of more than 7 million people worldwide. 4. The formula for calculating the severity rate is: Severity Rate = (Number of Lost Workdays + Number of Restricted Workdays) * 200,000 / Total Hours Worked. Injury resulting restricted work activity = 1. 1 Recording decision tree 10 3. 0% and a. 6 1. To calculate your LTIFR, simply plug those numbers into your formula: (6 x 1,000,000) / 2,500,000 to get a LTIFR = 2. 75 days' work. 2,9 These injury rates are similar to published rates for recreational tennis players (1. 35 0. The LTIFR calculation is the same as the LTIR formula, but the 200,000 figure is replaced with 1,000,000 in this mathematical calculation. 49 Lost Time Injuries 1. It provides an accurate representation of the frequency and severity of workplace injuries and is commonly used in various industries to assess. 16 While overuse injury and traumatic injury incidence have been reported to be as high as 30%, 16 the authors noted a much higher overuse injury incidence of 57. The company has a total of 342 employees, so we can calculate the engagement rate for February as 34 ÷ 342 x 100% = 9. TRIFR = { (LTI + MTI + RWI) x 1,00,000} / Hours Worked Were, LTI is a Lost Time Injury (a work-related injury resulting in the loss of one or more complete. accident frequency rate calculation excel. Monthly injury incidence rate for middle and long-distance runners was highest in October (26. 27: A firm has 62 employees. Pressure injury is a localized injury to the skin and/or underlying tissue, usually over a bony prominence or related to a medical or other device and it is the result of intense and/or prolonged pressure or. Calculate the injury incidence rate and the LWDI. This is a drop of 22. Incidence rate = (Total number of recordable incident) x 200,000 / (Total manhour worked for one. INCIDENT REPORTING ANALYSIS10INJURY FREQUENCY RATES – LTIFR 10INJURY FREQUENCY RATES – MTIFR 11INJURY FREQUENCY RATES – TRIFR 12NATURE OF INJURY 12MECHANISM OF INJURY 13LOCATION OF INJURY 13GLOSSARY 14 I. Formula. Total number of hours worked by. 99. A medical treatment case is any injury. The Lost Time Injury Fatality Rate calculator can now be seen on the Data website. 29 1. Monitor your Safety Leading and Lagging indicators: evaluate safety proactive and preventive actions like HSE training or equipment. 77 1. 73 2. 54 1. F = (Number of First-Aid injury x 1000000) / Number of manhours worked. Number of recordable incidents (injuries and illness) per 100 full-time employees. To date, available studies have reported the incidence of injury during CrossFit training varying from 2. 27 3. This is a decrease of 288 total injuries from 2020 (37,024). For the majority of injury mechanisms, the incidence-based YLD was higher than that observed using the prevalence-based method, with the exception of pedal cycle vehicles and adverse effects of medical treatment, which were higher in prevalence-based results. Examples of Claims Frequency in a sentence. 00 1. 25 During a 6-month period, a firm employing 40 employees has 15 injuries and illnesses requiring medical treatment; in four of these cases the employee lost at least 1 day from work. Figure 11: Workplace minor injury rate, 2011-2018 Figure 12: Proportion of workplace minor injuries by cause of injury, 2014-2018 Figure 13: Number of dangerous occurrences, 2011-2018 Figure 14: Accident frequency rate, 2009-2018 Figure 15: Accident severity rate, 2009-2018 Figure 16: Occupational disease incidence rate, 2009-2018TRIR = 6 x 200,000 / 500,000. 07The lost time injury severity rate calculation is: Total number of lost workdays/Total number of OSHA recordable incidents. gov. This means that the company can expect the average employee incident to result in a loss of 2. For example, If the number of accidents per year is 145 then 145 / 112,000 = 0. How to Calculate Your LTIR. 5-5. Choose collaborative approaches when working with a patient who has a PI. Medical Treatment Injury Frequency Rate Formula. The formula for doing this calculation is: (Medical treatment injuries x 1,000,000) / total hours worked = MTI frequency rate. (2) ‘Disabling Injury” shall mean a work injury which. The injury incidence rate of the present study of 1. If the employee has the following day off, then the injury is classified as a lost time injury. Severity Rate is the total number of days lost or charged per million-employee hours of exposure. Combat service support units reported injuries in this study at 65. An injury frequency rate is the number of injuries per 1,000,000 employee-hours worked. Frequency rates of disabling occupational injuries per 500 full-time workers, calculated as the number of disabling injuries per 1,000,000 employee hours of exposure, where 1,000,000 workhours of exposure is equivalent to 500 persons each exposed to 2,000 hours of work per year. TRIFR or the total recordable injury frequency rate is the number of fatalities, lost time injuries, substitute work and other injuries requiring treatment by a medical professional per million hours worked. 92 3. SR is the total number of lost workdays per year × 200000 work hrs/number of workers in a job. Downer’s Lost Time Injury Frequency Rate (LTIFR) was also below target at 0. about costs is an important supplement to epidemiological data, such as the incidence and mortality rates. 27 A firm has 62 employees. safeworkaustralia. This includes the cumulative hours worked by all employees during the specified period. Examples of TRIFR in a sentence. 95 2. View the full answer. 66 3. e. Any work-related injury or illness requiring medical treatment beyond first aid. Results: From. Let’s say you have the following data: Total injuries: 5; Total hours worked: 250,000; Using the formula: MTI = (5 / 250,000) * 1,000,000 = 20 MTI The injury frequency rate formula and calculation Calculating your all injury frequency rate is relatively straightforward when using the right formula and keeping track of injuries efficiently. 82 3. Safety observations frequency rate (SOFR) The number of safety observations per 200,000 hours worked. 6 1. 6 million admi ssions to U. Austin M. 39). Call Today. 38 1. The incidence rate may be calculated both for lost-time injuries and reportable lost-time injuries as follows:This is Part 2 in a 3-part series dissecting the 2016 Citi Research Safety Spotlight Report. 94 in 2020 to 2. 00 0. 2. 26 For the year 2015, a firm with 30 employees has three medical-treatment injuries, plus one injury in which the worker lost 6 days of work. Revised and redesignated AS 1885 -1976. A simple formula for calculating accident incidence (frequency) is to: Take the total number of recordable incidents for the year from your OSHA 300. Annual Sharps Injury Rate = 45 sharps injuries = 0. Why calculate a sharps injury rate?All Injuries Frequency Rate: All injuries including MTI’s, RWI’s, LTI’s, fatalities and FAI’s or Combination of TRIFR and FAI: MTI: Medical Treatment Injury: Requiring medical treatment: FAI: First Aid injury: Requiring first aid treatment: DART rate: Days Away, Restricted or Transferred: Number of recordable injuries per 100 FTE’s. One that is work related and requires medical treatment. Lost time and disabling injury frequency rate The number of lost time injuries/diseases and disabling injuries per million hours worked. The TRIFR is not to be confused with the similarly named LTIFR (lost time injury frequency rate). 000322 (incidence) To calculate the incidence rate per 100,000 in this example: 0. In medicine, the incidence is commonly the newly identified cases of a disease or condition per. An incidence rate of injuries and illnesses may be computed from the following formula: (Number of injuries and illnesses X 200,000) / Employee hours worked = Incidence rate. gov. Further work 36 Bibliography 37 Appendix. e. 9). number of medical treatment cases. Multiply that number by 200,000, which represents the number of hours worked by 100 full-time employees, 40 hours per week for 50 weeks per year. 0 Definitions: 2 Company Incident Work Injury Fatality Lost Workday Case Restricted Work Case Medical Treatment Case Lost Time Injuries First Aid Case Total Recordable Cases Near Miss Exposure Hours Permanent Total Disability Permanent Partial Disability 2 2 2 2 2 2 3 3 4. Adverse events (AE) frequently occur in any medical system, and at least one in ten patients are affected. 0/1000 hours of exposure (lowest) when a medical attention injury definition was utilised. occupational injuries and disease known as the Workplace injury and disease recording standard _____ AS 1885. 5%. 48 dis-abling injuries per million employee hours of exposure. Total Hours Worked in the past year: 500,000. b) Angka keparahan kecelakaan kerja (Safety Rate) SR = Jumlah hari kerja yang hilang x 1. falls per . Fuller et al. Number of Lost Workdays represents the total number of days employees were unable to work. Your OSHA 300 Log and 300A Summary will have the information needed to find your rate of recordable injuries. First Aid = 10 hari. We would like to show you a description here but the site won’t allow us. Total number of injuries and illnesses (annually) x 200,000 /. The overall injury incidence rate for all athletes was highest in October (22. 4%) were minor injuries. 6. 2. 3 in 2018 to 91. Patients or Other Participants. 90 in 2021. 66 Total Recordable Injury Frequency Rate 34. 64/1000 per year in long-lasting diseases to 56. 0 injuries per 1000 hours), 10,12,19 triathletes (2. (OSHA requires accident rates to be calculated as. However, HSE gave up quoting injury rates per hours worked years ago - now they use per 100,000 full time employees. For example, if you recorded 2 incidents, then the number is 2*200,000 or 400,000. Location of injuries. , 2015). If the injury does not cause loss of time but person may work after first aid treatment in the period in which it occurs but. 6. Using this TRIFR calculation formula, the result is the total recordable injury frequency rate. Injury index — the number of work days lost per million hours worked (frequency rate x duration rate). These decreases in HAPI rates reflect concerted efforts by healthcare organizations and support the use of current risk assessment and preventive efforts. occupied bed days. They take a few weeks off to undergo in-patient treatment. It is a used lagging indicator used to quantify an organization’s safety performance. The overall total recordable injury rate (TRIR) (fatalities, lost work day cases, restricted work day cases, and medical treatment cases) was 0. Step 2: Determine the Total Hours Worked. and calculations of seasonal incidence rates were conducted. The time off does not include the day of the injury. Measuring your LTIFR is actually easier than you think. The total recordable injury frequency rate (TRIFR), or total recordable injury rate, is the number of fatalities, lost time injuries, substitute work, and other injuries requiring treatment by a medical professional per million hours worked.