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The comparison of selected variables between patients with SSI and without SSI
| Variable | SSI | No SSI | P value |
|---|---|---|---|
| Stay prior to surgery (Mean stay, days) | 6·7 | 3·1 | 0·12 |
| Duration of operation (Mean duration, minutes) | 140·5 | 99 | <0·0001 |
| Duration of anaesthesia (Mean duration, minutes) | 177 | 131·6 | 0·002 |
| ICU stay prior to procedure (Mean stay, days) | 6·2 | 4·4 | 0·55 |
| ICU stay after operation (Mean stay, days) | 8·7 | 3·2 | 0·07 |
ICU, intensive care unit; SSI, surgical site infection.
