Anticipated number of cases during specified number of shifts and the number of days to experience the specified number of cases with 95% confidence. Season did not have a significant effect for orthopedics
| Orthopedics | ||||
| Institution 1 | Institution 2 | Institution 3 | Institution 4 | |
| Number of 24-hour shifts | Expected number of urgent cases (95% CI) | |||
| 5 | 13.9 (7 to 21) | 10.1 (4 to 17) | 6.4 (2 to 12) | 5.2 (1 to 10) |
| 10 | 27.8 (18 to 38) | 20.3 (12 to 30) | 12.7 (6 to 21) | 10.3 (5 to 17) |
| 12 | 33.3 (23 to 45) | 24.4 (15 to 34) | 15.2 (8 to 24) | 12.4 (6 to 19) |
| 20 | 55.5 (42 to 70) | 40.7 (29 to 54) | 25.4 (15 to 36) | 20.6 (12 to 30) |
| Minimum number of cases | 24-hour shifts resulting in a 95% certainty of experiencing at least the stated minimum number of cases | |||
| 5 | 4 | 10 | 8 | 9 |
| 10 | 6 | 16 | 13 | 16 |
| 20 | 10 | 29 | 23 | 27 |