Table 4.
Factor | Any organ/space SSI, no. (%) | Multivariate analysis |
|
---|---|---|---|
OR (95% CI) | P value | ||
Age at surgery (per 10-y increment) | NA | 1.6 (1.2–2.3) | .003 |
Smoking status | .007 | ||
No smoking history (n = 914) | 24 (2.6) | Referent | |
Former smoker (n = 357) | 6 (1.7) | 0.6 (0.3–1.6) | |
Current smoker (n = 98) | 6 (6.1) | 3.9 (1.5–10.4) | |
Preoperative glucose >110 mg/dL | .03 | ||
No (n = 785) | 15 (1.9) | Referent | |
Yes (n = 456) | 20 (4.4) | 2.2 (1.1–4.5) | |
Prior MRSA infection | .03 | ||
No (n = 1364) | 35 (2.6) | Referent | |
Yes (n = 5) | 1 (20.0) | 12.4 (1.2–127.3) |
Abbreviations: MRSA, methicillin-resistant Staphylococcus aureus; NA, not applicable; OR, odds ratio; SSI, surgical site infection.