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Table 2 Analysis of risk factors for wound dehiscence and incisional hernia with unadjusted Cox Regression

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

  End point  
Risk factor Wound Dehiscence Incisional Hernia
  HR 95% CI p a HR 95% CI p a n=
Suture technique, specified vs. not specified 1.31 (0.76–2.26) 0.324 1.44 (0.95–2.18) 0.086 1,621
Wound infection 3.00 (1.65–5.46) <0.001 3.68 (2.38–5.71) <0.001 1,621
Sex, male vs. female 1.98 (1.17–3.36) 0.011 1.14 (0.78–1.67) 0.516 1,621
Priority of operation, emergency vs. scheduled 1.62 (0.98–2.68) 0.060 1.22 (0.82–1.81) 0.327 1,601
Smoking 1.61 (0.93–2.79) 0.091 1.15 (0.77–1.71) 0.506 1,370
BMI 25–30 vs <25 1.00 (0.50–2.00) 0.029 2.19 (1.34–3.58) <0.001 1,356
BMI 30–35 vs <25 2.62 (1.29–5.32)   2.63 (1.43–4.83)   
BMI >35 vs <25 2.17 (0.65–7.29)   4.81 (1.19–10.60)   
Hypoalbuminemia (S-alb <35) 0.95 (0.51–1.75) 0.867 0.77 (0.47–1.24) 0.275 757
Anemia (S-Hb <100) 0.62 (0.35–1.11) 0.110 0.70 (0.43–1.12) 0.138 1,480
Diabetes 1.36 (0.71–2.60) 0.356 1.08 (0.63–1.87) 0.779 1,621
Cardiovascular disease* 2.03 (1.17–3.52) 0.012 1.46 (0.92–2.31) 0.112 1,621
Renal failure 2.49 (0.90–6.87) 0.077 0.48 (0.07–3.41) 0.459 1,621
COPD 2.66 (1.35–5.23) 0.005 1.16 (0.54–2.50) 0.701 1,621
Peroral cortison at intake 1.53 (0.66–3.55) 0.323 1.07 (0.47–2.45) 0.868 1,621
  1. aWald test of regressions coefficient
  2. *Myokardial infarction, heart failure, angina pectoris or intermittent claudication