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Table 5 Risk factors affecting outcome of colorectal surgery

From: Hospital costs associated with surgical morbidity after elective colorectal procedures: a retrospective observational cohort study in 530 patients

Variable p value Odds ratio for complication 95% Confidence interval
Gender: male vs. female 0.483 1.004 0.672–1.500
Age > 75 years 0.667 1.109 0.690–1.775
Comorbidity: high vs. low 0.360 0.936 0.811–1.079
BMI > 30 > 0.0005 *** 4.560 2.287-9.094
BMI 25–30 > 0.0005*** 1.859 1.830–2.924
BMI 20–25   1,000  
BMI > 20 0.639 1.226 0.532–2.870
surgical complexity: high vs. low > 0.00001*** 1.826 1.449–2.302
  1. ***p> 0,001.
  2. Multivariate logistic regression analysis.