Multiple regression analysis—relating minor flow disruptions and traffic-related factors to major flow disruptions
| Estimate | SE | t Values | P values | |
| (Constant) | 7.13 | 3.11 | 2.29 | 0.035† |
| Transitional zone 2 | 0.47 | 0.23 | 1.99 | 0.062† |
| CN | 0.44 | 0.16 | 2.73 | 0.014** |
| Equipment tasks | 0.68 | 0.15 | 4.42 | 0.0003* |
| Transitions in transitional zone 3 (n) | −0.07 | 0.02 | −3.31 | 0.004 |
| Transitions in surgical table zone 1 (n) | 0.02 | 0.03 | 0.74 | 0.472 |
| Anaesthesia team members | −0.04 | 0.08 | −0.59 | 0.560 |
| Equipment/furniture positioning | 0.39 | 0.25 | 1.55 | 0.138 |
R2=0.84, adjusted R2=0.77, p<0.0001.
Significance codes: *P=0.001; **P=0.05; †P=0.1.
CN, circulating nurse.