Extended antimicrobial prophylaxis after gastric cancer surgery: A systematic review and meta-analysis

Table 5 Summary of comparisons between extended antimicrobial prophylaxis and intraoperative antimicrobial prophylaxis

Items	Heterogeneity		Analysis model	Overall effect		RR (95%CI)	Ref.
	I2	P		Z	P
Total complications	42%	0.18	Fixed	0.99	0.32	0.86 (0.63-1.16)	[7-9]
Surgical site infections	NP	NP	Fixed	1.61	0.11	1.97 (0.86-4.48)	[9]
Incision infections	NP	NP	Fixed	1.46	0.14	4.92 (0.58-41.66)	[9]
Organ/space infections	NP	NP	Fixed	0.92	0.36	1.55 (0.61-3.89)	[9]
Remote site infections	0%	0.90	Fixed	2.58	0.01	0.54 (0.34-0.86)	[7-9]
Anastomotic leakage/dehiscence	0%	0.97	Fixed	1.47	0.14	3.85 (0.64-23.17)	[8,9]
Mortality	62%	0.10	Random	0.10	0.92	1.14 (0.1-13.12)	[8,9]

NP: Not applicable; RR: Risk ratio.