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Table 4 Logistic regression of total postoperative complications

From: The effects of preoperative intestinal dysbacteriosis on postoperative recovery in colorectal cancer surgery: a prospective cohort study

Parameter Univariate logistic regression Multivariate logistic regression§
OR (95% CI) P Adjusted OR (95% CI) P
Total patients
Preoperative dysbacteriosis    
 Grade 2 2.26 (1.07–4.77) 0.033 1.64 (0.73–3.70) 0.232
 Grade 3 4.23 (1.74–10.32) 0.002 3.24 (1.21–8.62) 0.019
Early postoperative diarrhoea 3.66 (1.93–6.95) 0.001 2.89 (1.43–5.81) 0.003
Postoperative hypoalbuminema 2.71 (1.25–5.86) 0.012 2.95 (1.24–7.02) 0.014
Intraoperative blood loss (≥ 100 ml) 1.80 (0.92–3.53) 0.085 1.19 (0.57–2.48) 0.643
Sex (Female) 1.81 (0.94–3.45) 0.074 2.35 (1.15–4.78) 0.019
Colon cancer
Preoperative dysbacteriosis     
 Grade 2 1.76 (0.60–5.13) 0.300 2.01 (0.63–6.39) 0.238
 Grade 3 1.13 (0.13–10.00) 0.912 1.24 (0.13–12.24) 0.855
Early postoperative diarrhoea 2.37 (0.81–6.95) 0.115 1.71 (0.55–5.33) 0.358
BMI (≥ 25.0 kg/m2) 3.54 (1.28–9.81) 0.015 3.72 (1.27–10.92) 0.017
Rectal cancer
Preoperative dysbacteriosis     
 Grade 2 2.96 (1.03–8.53) 0.045 1.62 (0.50–5.26) 0.423
 Grade 3 6.46 (2.27–18.39)  < 0.001 3.64 (1.16–11.47) 0.027
Postoperative hypoalbuminema 3.04 (1.05–8.76) 0.040 2.15 (0.67–6.83) 0.196
Early postoperative diarrhoea 4.70 (2.08–10.64)  < 0.001 3.17 (1.27–7.94) 0.014
  1. Reference group: Grade 1
  2. Sum to 4 cases of diarrhoea that happened after postoperative pulmonary infections were not included in the logistic regression
  3. §Hosmer–Lemeshow test: total patients x2= 3.220, P = 0.666, colon cancer x2 = 0.889, P = 0.926, rectal cancer x2= 3.119, P = 0.374