Table 2.

Mean compliance rate for overall checklist compliance, sign in, timeout, and sign out by hospital

Hospital		Mean compliance rate (95% c.i.)		Rate difference (95% c.i.)	Percentage increase in compliance	P
		Pre-intervention	Post-intervention
1	Overall SSC compliance	0.13 (0.08,0.19)	0.20 (0.12,0.28)	0.07 (0.02,0.12)	54	0.005
	Sign in	0.32 (0.23,0.41)	0.43 (0.31,0.55)	0.11 (0.02,0.19)	34	0.013
	Timeout	0.87 (0.70,1.05)	0.95 (0.75,1.15)	0.08 (−0.06,0.21)	9	0.25
	Sign out	0.23 (0.17,0.31)	0.29 (0.20,0.37)	0.05 (−0.01,0.10)	22	0.088
2	Overall SSC compliance	0.53 (0.37,0.70)	0.80 (0.58,1.02)	0.27 (0.11,0.43)	51	0.001
	Sign in	0.73 (0.53,0.94)	0.98 (0.73,1.22)	0.25 (0.06,0.43)	34	0.009
	Timeout	0.78 (0.54,1.00)	0.85 (0.60,1.09)	0.07 (−0.05,0.19)	9	0.246
	Sign out	0.83 (0.63,1.03)	1.00 (0.78,1.21)	0.17 (0.02,0.35)	20	0.073
3	Overall SSC compliance	0.02 (0.0002,0.03)	0.02 (−0.0001–0.05)	0.00 (−0.002,0.02)	0	0.102
	Sign in	0.17 (0.12,0.22)	0.23 (14,31)	0.06 (0.01,0.11)	35	0.027
	Timeout	0.04 (0.01,0.07)	0.04 (0.01,0.07)	0.00 (−0.003,0.01)	0	0.303
	Sign out	0.11 (0.07,0.15)	0.14 (0.08,0.19)	0.02 (−0.01,0.05)	18	0.112
4	Overall SSC compliance	0.001 (−0.001,0.004)	0.002 (0.00,0.01)	0.00 (−0.0007,0.002)	0	0.333
	Sign in	0.01 (0.00–0.02)	0.01 (0.00,0.02)	0.00 (−0.0004,0.006)	0	0.089
	Timeout	0.78 (0.70,0.87)	0.85 (0.72,0.98)	0.07 (−0.05,0.19)	9	0.355
	Sign out	0.00 (0.00,0.01)	0.00 (0.00,0.01)	0.00 (−0.0004,0.002)	0	0.235
5	Overall SSC compliance	0.66 (0.56,0.76)	1.00 (0.78,1.22)	0.34 (0.12,0.56)	51	0.003
	Sign in	0.74 (0.63,0.85)	0.99 (0.78,1.20)	0.25 (0.05,0.45)	34	0.015
	Timeout	0.90 (0.76,1.03)	0.98 (0.80,1.15)	0.08 (−0.06,0.22)	9	0.255
	Sign out	0.85 (0.75,0.95)	1.02 (0.82,1.22)	0.17 (−0.028,0.37)	20	0.093