Surprises (unplanned shifts in care) | Surprise | No surprise | Odds ratio (95% confidence interval) | p Value |
Cross-cover only | 13 | 25 | 3.87 (1.87 to 8.01) | 0.001 |
Day float | 2 | 46 | 0.25 (0.06 to 0.94) | 0.004 |
In-house call | 25 | 197 | 0.77 (0.45 to 1.34) | 0.401 |
Call and cross-cover | 7 | 14 | 3.39 (1.35 to 8.59) | 0.008 |
Night float | 5 | 52 | 0.56 (0.22 to 1.47) | 0.304 |
Night float and cross-cover | 4 | 14 | 1.83 (0.61 to 5.51) | 0.293 |
Short call | 3 | 19 | 0.98 (0.30 to 3.22) | 0.976 |
Any shift with cross-cover | 26 | 77 | 2.97 (1.68 to 5.24) | 0.000 |
All | 59 | 367 | 1 |
Errors/incidents attributed to the hand-off | Error/incident | No error/incident | Odds ratio (95% confidence interval) | p Value |
Cross-cover only | 10 | 28 | 4.42 (1.99 to 9.87) | 0.001 |
Day float | 1 | 47 | 0.19 (0.03 to 1.32) | 0.105 |
In-house call | 18 | 204 | 0.35 (0.20 to 0.63) | 0.000 |
Call and cross-cover | 6 | 15 | 6.20 (3.11 to 12.39) | 0.000 |
Night float | 2 | 55 | 0.33 (0.09 to 1.26) | 0.140 |
Night float and cross-cover | 2 | 16 | 1.25 (0.31 to 5.11) | 0.675 |
Short call | 0 | 22 | 0 (–) | |
Any shift with cross-cover | 18 | 59 | 4.77 (2.42 to 9.41) | 0.000 |
All | 39 | 387 | 1 |
Bold values indicate significance at the 0.005 level.