Regression results, operating room turnover times in minutes ±SD (n) during intervention
| Type of room/procedure | Raw mean no feedback | Raw mean feedback | Difference in logmean | p Value | Lower 95% CI | Upper 95% CI |
|---|---|---|---|---|---|---|
| All rooms | 54.7±30.1 (863) | 48.4±27.9 (1130) | −0.104±0.065 | 0.1090 | −0.231 | 0.023 |
| All rooms scheduled | 48.1±24.3 (611) | 41.4±20.8 (795) | −0.151±0.056 | 0.0041 | −0.261 | −0.041 |
| All rooms Unscheduled | 74.5±43 (252) | 70.2±40.1 (335) | −0.068±0.063 | 0.2818 | −0.191 | 0.055 |
| Fast rooms scheduled | 46.8±22.5 (505) | 37.2±16.2 (580) | −0.206±0.058 | 0.0004 | −0.320 | −0.092 |
| Slow rooms scheduled | 69.3±37.2 (106) | 65.8±38.0 (215) | 0.017±0.118 | 0.887 | −0.215 | 0.249 |
Inter-rater agreement: four auditors scored all checklist elements, (1) use of checklist, (2) team attentiveness, (3) required duration and (4) proper sequence with Fleiss’ kappas of 1, 95% CI (1.0 to 1.0) for 30 randomly selected cases. Intraclass correlation coefficients (ICCs) for sign-in, time-out and sign-out ‘minimum time’ durations were 0.976, 95% CI (0.957 to 0.988), 0.953, 95% CI (0.917 to 0.976) and 0.999, 95% CI (0.998 to 0.999), respectively. ICCs for timed segment durations were 1.0, 95% CI (1.0 to 1.0) for all segments.