Table 5.

Secondary outcomes of the study

				Baseline group (ref.) versus Bundle-1		Baseline group (ref.) versus Bundle-2		Bundle-1 (ref.) versus Bundle-2
Outcomes	Baseline group	Bundle-1	Bundle-2		P		P		P
Colorectal surgery
LOS (days), median (i.q.r.)*	7 (5–11)	6 (4–8)	5 (4–8)	1	<0.001	2	<0.001	1	<0.001
Days to SSI, median (i.q.r.)*	7 (5–12)	8 (5–13)	8 (4–13.5)	1	0.180	1	0.466	0	0.561
30-day mortality rate, n (%)†	261 (1.4)	23 (0.59)	58 (0.6)	0.53 (0.34 to 0.83)	0.005	0.51 (0.37 to 0.71)	<0.001	0.97 (0.58 to 1.64)	0.916
Postdischarge SSI, n (%)†	937 (29.53)	105 (35.23)	138 (40.47)	1.24 (0.96 to 1.62)	0.105	1.54 (1.2 to 1.97)	<0.001	1.24 (0.88 to 1.74)	0.227
Colon surgery
LOS (days), median (i.q.r.)*	7 (5–10)	6 (4–8)	5 (4–7)	1	<0.001	2	<0.001	1	<0.001
Days to SSI, median (i.q.r.)*	7 (5–11)	7 (5–12)	7 (4–12)	0	0.178	0	0.234	0	0.745
30-day mortality rate, n (%)†	203 (1.55)	18 (0.64)	50 (0.68)	0.55 (0.33 to 0.91)	0.019	0.56 (0.39 to 0.8)	0.001	1.02 (0.57 to 1.82)	0.946
Postdischarge SSI, n (%)†	592 (28.82)	69 (36.7)	82 (39.23)	1.34 (0.96 to 1.85)	0.082	1.49 (1.08 to 2.04)	0.014	1.11 (0.72 to 1.72)	0.63
Rectal Surgery
LOS (days), median (i.q.r.)*	8 (6–13)	6 (5–10)	6 (4–9)	2	<0.001	2	<0.001	0	<0.001
Days to SSI, median (i.q.r.)*	9 (5–14)	9 (5–14.5)	9 (5–16)	0	0.815	0	0.798	0	0.758
30-day mortality rate, n (%)†	58 (1.04)	5 (0.47)	8 (0.35)	0.46 (0.17 to 1.24)	0.123	0.28 (0.13 to 0.59)	<0.001	0.6 (0.18 to 1.98)	0.402
Postdischarge SSI, n (%)†	345 (30.83)	36 (32.73)	56 (42.42)	1.1 (0.7 to 1.72)	0.69	1.67 (1.11 to 2.52)	0.014	1.53 (0.85 to 2.73)	0.154

*Absolute difference in medians; †OR (95% c.i.) in comparative columns. i.q.r., interquartile range; LOS, duration of stay; SSI, surgical site infection.