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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