Table 1 Comparison of continuous variables in patients with and without SSI
Variables | Patient without SSI (mean, standard deviation) (n = 1083) | Patient with SSI (mean, standard deviation) (n = 25) | P |
|---|---|---|---|
Age (years) | 45.6 (13.6) | 43.0 (11.8) | 0.347 |
Preoperative stay (days) | 7.3 (6.9) | 14.5 (17.9) | 0.000* |
Intraoperative blood loss (ml) | 280.2 (267.4) | 434.0 (370.7) | 0.005* |
Operation duration (minutes) | 147.4 (64.7) | 195.8 (68.4) | 0.000* |
Hospital stay (days) | 19.3 (22.5) | 43.4 (46.5) | 0.000* |