Comparison 2. Nosocomial S. aureus infections among surgical patients with S. aureus nasal carriage.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Nosocomial S. aureus infection	4	1372	Risk Ratio (M‐H, Fixed, 95% CI)	0.55 [0.34, 0.88]
2 Nosocomial S. aureus infection (exclude Garcia)	3	1307	Risk Ratio (M‐H, Fixed, 95% CI)	0.56 [0.34, 0.91]
3 Nosocomial S. aureus surgical site infection	4	1374	Risk Ratio (M‐H, Fixed, 95% CI)	0.63 [0.38, 1.04]