Figure 1.
Flow diagram depicting articles excluded from the review, including stage of, and reason for, exclusion in systematic review of risk factors for surgical site infection.
Figure 2.
Study-level reported incidence of surgical site infection, stratified by surgery type.
Figure 3.
Estimated study-specific odds ratios associated with ASA, Charlson, and NNIS risk scores in (a) unadjusted analyses and (b) adjusted analyses.