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Table 4 Incisional hernia risk factors in long-term follow up. Multivariate Cox regression

From: Long-term follow-up of prophylactic mesh reinforcement after emergency laparotomy. A retrospective controlled study

  B SE Wald (Chi-square) HR 95,0% CI P value
      Inferior Superior  
Patient related
 Smoking 0.904 0.320 7.959 2.468 1.318 4.624 0.05
Surgery related
 No prophylactic mesh 1.628 0.444 13.421 5.093 2.132 12.167 0.001
 Contaminated Surgery (groups III-IV*) 1.094 0.490 4.981 2.985 1.142 7.8 0.02
Complication related
 Surgical site infection 1.343 0.367 13.375 3.829 1.865 7.864 0.001
  1. *III-IV contaminated stage (contaminated or dirty) according to World Health Organization wound contamination classification [40]