Table 3.
Analysis of risk factors for wound dehiscence and incisional hernia with adjusted Cox Regression
| Risk factor | End point | |
|---|---|---|
| Wound Dehiscence | ||
| HR 95% CI | p b | |
| Suture technique, specified vs. not specified | 1.36 (0.73–2.53) | 0.340 |
| Wound infection | 2.33 (1.14–4.77) | 0.020 |
| Sex, male vs. female | 1.69 (0.92–3.12) | 0.092 |
| Priority of operation, emergency vs. scheduled | 1.51 (0.81–2.81) | 0.192 |
| Smoking | 1.32 (0.74–2.34) | 0.304 |
| BMI 25–30 vs <25 | 0.82 (0.39–1.73) | 0.025 |
| BMI 30–35 vc <25 | 2.57 (1.23–5.36) | |
| BMI >35 vs <25 | 1.85 (0.54–6.34) | |
| Anemia, S-Hb < 100 vs. S-Hb > 100 | 0.63 (0.31–1.28) | 0.203 |
| Cardiovascular diseasea | 1.48 (0.74–2.97) | 0.271 |
| Renal failure | 0.50 (0.07–3.79) | 0.501 |
| COPD | 1.29 (0.49–3.42) | 0.605 |
| Incisional Hernia | ||
| HR 95% CI | p b | |
| Suture technique, specified vs. not specified | 1.37 (0.88–2.13) | 0.166 |
| Wound infection | 3.47 (2.16–5.56) | <0.001 |
| BMI 25–30 vs <25 | 2.11 (1.29–3.45) | 0.001 |
| BMI 30–35 vc <25 | 2.41 (1.31–4.43) | |
| BMI >35 vs <25 | 3.87 (1.74–8.61) | |
| Anemia, S-Hb < 100 vs. S-Hb > 100 | 0.85 (0.48–1.48) | 0.559 |
| Cardiovascular diseasea | 1.35 (0.81–2.26) | 0.247 |
aMyokardial infarction, heart failure, angina pectoris or intermittent claudication. b Wald test of regressions coefficient