Table 4 Stratified analysis of SSI rates by wound class and hospitalization duration
Wound Class | Hospitalization Duration | SSI Status = 0 | SSI Status = 1 | Total | SSI rate |
|---|---|---|---|---|---|
Clean Wound | ≤ 5 days | 459 | 9 | 469 | 1.92 |
Clean Wound | > 5 days | 830 | 31 | 861 | 3.60 |
Clean-contaminated | ≤ 5 days | 55 | 0 | 55 | 0.00 |
Clean-contaminated | > 5 days | 150 | 14 | 164 | 8.54 |
Contaminated | ≤ 5 days | 379 | 1 | 380 | 0.26 |
Contaminated | > 5 days | 256 | 5 | 261 | 1.92 |
Total | Â | 839 | 10 | 903 | 1.11 |