Comparison 14.

Postoperative wound infections

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 All studies	4	252	Risk Ratio (M‐H, Fixed, 95% CI)	0.63 [0.31, 1.29]
1.1 Parenteral nutrition	1	124	Risk Ratio (M‐H, Fixed, 95% CI)	0.63 [0.19, 2.11]
1.2 Enteral nutrition	1	60	Risk Ratio (M‐H, Fixed, 95% CI)	0.46 [0.10, 2.17]
1.3 Supplements	2	68	Risk Ratio (M‐H, Fixed, 95% CI)	0.77 [0.26, 2.29]
2 HCC	2	168	Risk Ratio (M‐H, Fixed, 95% CI)	0.73 [0.32, 1.71]
2.1 Parenteral nutrition	1	124	Risk Ratio (M‐H, Fixed, 95% CI)	0.63 [0.19, 2.11]
2.2 Enteral nutrition	0	0	Risk Ratio (M‐H, Fixed, 95% CI)	0.0 [0.0, 0.0]
2.3 Supplements	1	44	Risk Ratio (M‐H, Fixed, 95% CI)	0.88 [0.27, 2.83]