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Table 3 Analysis of risk factors for wound dehiscence and incisional hernia with adjusted Cox Regression

From: Retrospective review of risk factors for surgical wound dehiscence and incisional hernia

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
  1. aMyokardial infarction, heart failure, angina pectoris or intermittent claudication. b Wald test of regressions coefficient