From: Impact of changed management policies on operating room efficiency
Population | Variable | Period 1 | Period 2 | Change, % |
---|---|---|---|---|
Total | Number of days (n) | 315 | 316 | |
Number of patients (n) | 11 372 | 12 143 | 6.8* | |
Case time (hours) | 23 532 | 25 202 | 7.1* | |
Out-hours operating (hours) | 5 236 | 5 400 | 3.2 | |
Elective | Number of patients (n) | 7 709 | 8 044 | 4.3* |
Case time (hours) | 16 433 | 16 693 | 1.6 | |
Overtime (hours) | 494 | 367 | −26* | |
SD case time per day | 1 509 | 1 227 | ||
Number of operating rooms (n) | 17 | 14 | ||
Non - elective | Number of patients (n) | 3 663 | 4 099 | 12* |
Case time (hours) | 7 099 | 8 509 | 20* | |
Case time day (hours) | 2 534 | 3 763 | 48.5* | |
Case time evening (hours) | 2 156 | 2 337 | 8.4* | |
Case time night (hours) | 582 | 440 | −24.4* | |
Case time weekend (hours) | 1 827 | 1 969 | 7.8 | |
Day shift, percentage of total case time (%) | 36 | 44 | ||
Evening shift, percentage of total case time (%) | 30 | 27 | ||
Night shift, percentage of total case time (%) | 8 | 5 | ||
Weekend, percentage of total case time (%) | 26 | 23 | ||
Number of nights without surgery (n) | 55 | 112 | ||
SD daily case time (dayshift) | 352 | 281 | ||
Total | Mean utilization 17 OR s (%) | 56 | - | |
Elective | Mean utilization 14 OR s (%) | - | 60 | |
Non - elective | Mean utilization 3 OR s (%) | - | 62 | |
Mean utilization evening (%) | 48 | 52 | ||
Mean utilization night (%) | 37 | 28 |