. Author manuscript; available in PMC: 2021 Apr 29.

Published in final edited form as: Infect Control Hosp Epidemiol. 2013 Dec 3;35(1):31–41. doi: 10.1086/674385

TABLE 3.

Stratified Analyses for Mortality in USA300 Methicillin-Resistant Staphylococcus aureus Invasive Infections

Stratification (n = no. of studies)	OR (95% CI)		Heterogeneity
Stratification (n = no. of studies)	Fixed-effects model	Random-effects model	Q	P
Main analysis (n = 8)	0.65 (0.53–0.81)	0.63 (0.49–0.81)	8.54	.29
Stratified analyses
Study location
Multicenter^a (n = 6)	0.67 (0.54–0.83)	0.67 (0.53–0.84)	5.27	.38
Study design
Prospective (n = 4)	0.69 (0.52–0.90)	0.60 (0.37–0.97)	5.15	.16
Retrospective (n = 4)	0.61 (0.43–0.85)	0.61 (0.43–0.85)	3.08	.38
Overall quality of studies
High (8–9 points) (n = 4)	0.66 (0.51–0.85)	0.58 (0.39–0.87)	5.50	.14
Low (0–7 points) (n = 4)	0.64 (0.44–0.95)	0.65 (0.44–0.95)	3.04	.39
Definition of mortality
Non-infection-related mortality^b (n = 6)	0.65 (0.51–0.84)	0.60 (0.42–0.86)	7.39	.19

NOTE. CI, confidence interval; OR, odds ratio.

There were not enough single-center studies to pool the results.

There were not enough studies assessing attributable mortality to pool the results.