Effect of Coffee Consumption on Postoperative Ileus after Colorectal Surgery: A Meta-Analysis of Randomized Controlled Trials

Table 2

Meta-analysis of dichotomous secondary outcomes.

Outcome	No. of trials	No. of patients		No. of events		RR (95% CI)	(%)
		Coffee	Control	Coffee	Control
Use of laxatives	3^14, 21, 22	124	128	42	57	0.76 (0.56, 1.04)	28	0.08
Reinsertion of nasogastric tube	5^13, 14, 22-24	184	186	13	15	0.87 (0.44, 1.72)	0	0.68
Need of reoperation	3^14, 21, 23	98	97	2	5	0.40 (0.08, 1.99)	0	0.26
Postoperative complications	5^13, 14, 21, 22, 24	177	181	34	40	0.87 (0.58, 1.31)	11	0.52
Anastomotic fistula	2^14, 22	96	98	3	7	0.43 (0.12, 1.62)	27	0.21

Meta-analysis of dichotomous secondary outcomes among trials with risk ratios (RR), 95% confidence intervals (CI), and heterogeneity ().