Fig 1.
Study screening and selection flow chart.
NSQIP = National Surgical Quality Improvement Program; VASQIP = Veteran’s Affairs Surgical Quality Improvement Program.
Table 1.
Characteristics of included studies.
Fig 2.
Risk ratios (95% CI) and pooled estimates for superficial surgical site infections, pre vs. post-NSQIP implementation, stratified by intervention or no intervention to reduce infection.
Fig 3.
Risk ratios (95% CI) and pooled estimates for deep surgical site infections pre vs. post-NSQIP implementation, stratified by intervention or no intervention to reduce infection.
Fig 4.
Risk ratios (95% CI) and pooled estimates for organ/abdominal space infections pre vs. post-NSQIP implementation, stratified by intervention or no intervention to reduce infection.
Fig 5.
Funnel plot of standard error vs. log risk ratio for superficial surgical site infections.
Fig 6.
Funnel plot of standard error vs. log risk ratio for (b) deep surgical site infections.
Fig 7.
Funnel plot of standard error vs. log risk ratio for organ/abdominal space infections.