Table 7.
Univariate Analysis of Risk Factors for deep S. aureus Surgical Site Infection
| Risk | RR (95% CI) | P value |
|---|---|---|
| Mupirocin | 1.01 (1.001–1.012) | 0.04 |
|
|
||
| Female sex | 1.00 (0.17–6.03) | 0.99 |
|
|
||
| Current smoking | 1.76 (0.19–15.6) | 0.61 |
|
|
||
| Pre-op culture = S. aureus | 6.79 (1.1–41.2) | 0.02 |
|
|
||
| Diabetes | 1.60 (0.19–14.9) | 0.65 |
|
|
||
| Post-op glucose ≥ 180mg/dL (day 1,2) | 1.60 (0.09–29.9) | 0.6 |
|
|
||
| Rheumatoid arthritis | 5.60 (0.6–50) | 0.08 |
|
|
||
| Immunosuppressive medication | 5.10 (0.29–89.9) | 0.77 |
|
|
||
| ASA score ≥3 | 1.69 (0.28–10.1) | 0.55 |
|
|
||
| Receipt of blood products | 0.98 (0.11–8.8) | 0.99 |
|
|
||
| BMI ≥ 30 kg/mm2 | 0.28 (0.03–2.5) | 0.22 |
|
|
||
| Pre-op albumin ≥ 3.5 g/dL | 0.33 (0.02–5.8) | 0.7 |
|
|
||
| Bilateral arthroplasty surgery | 0.94 (0.05–16.8) | 0.52 |
|
|
||
| Revision surgery | 2.70 (0.31–24.1) | 0.35 |