Table 3.

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.