Start time | Time the first patient of the day entered the operating room Late start = later than 15 min of scheduled time (after 8:15 am) |
Turnover time | Time between one patient leaving the operating table and another patient entering (time for cleaning and preparing for next patient) Long turnover = time in between cases > 25 min |
Finish time | Time the last patient of the day left the operating room Early finish time = 1 h before working hours (before 3:00 pm) Late finish time = 1 h after working hours (after 5:00 pm) |
OR utilization | Proportion of time within the working hours in which a patient was in the operating room (does not include turnover time) Low utilization = less than < 75% of working hour utilized (< 6 h) Over utilization = more than allocated working hours (> 100% / > 8 h) |
Cancellation rate | Day of surgery cancellation High cancellation rate = greater than 5% |