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Table 2 Univariate analysis for PPOI risk factors in colon cancer

From: Comparison of prolonged postoperative ileus between laparoscopic right and left colectomy under enhanced recovery after surgery: a propensity score matching analysis

Variable PPOI (n=114) NO PPOI (n=756) Univariate OR (95% CI) p value
Sex    1.923 (1.242–2.977) 0.003
 Male 83 440   
 Female 31 316   
Age (years) 64.4±10.3 55.6±12.0 0.932 (0.913–0.950) 0.000
Diabetes mellitus    0.777 (0.517–1.170) 0.227
 No 71 514   
 Yes 43 242   
Hypertension    0.859 (0.569–1.296) 0.469
 No 73 510   
 Yes 41 246   
Smoking habit    1.830 (1.211–2.766) 0.004
 No 71 568   
 Yes 43 188   
Current alcohol use    0.774 (0.511–1.172) 0.227
 No 74 533   
 Yes 40 223   
Previous abdominal surgery    0.741 (0.438–1.254) 0.264
 No 94 653   
 Yes 20 103   
Chronic obstructive pulmonary disease    0.723 (0.412–1.269) 0.258
 No 97 671   
 Yes 17 85   
BMI (kg/m2) 22.8±2.5 23.1±3.2 1.043 (0.977–1.113) 0.207
Preoperative anemia    0.817 (0.532–1.256) 0.358
 No 79 555   
 Yes 35 201   
Preoperative serum albumin level (g/L) 37.7±3.7 39.0±4.6 1.070 (1.022–1.120) 0.004
ASA score    0.728 (0.476–1.114) 0.143
 I–II 77 560   
 III–IV 37 196   
Tumor size    0.768 (0.517–1.141) 0.191
 <5 cm 51 388   
 ≥5 cm 63 368   
Operation type    2.414 (1.619–3.600) 0.000
 LC 58 540   
 RC 56 216   
Operation time (min)    1.799 (1.196–2.707) 0.005
 <180 41 380   
 ≥180 73 376   
Intraoperative blood loss (ml) 179.8±101.6 169.3±72.7 0.998 (0.986–1.011) 0.178
Grade of differentiation    0.997 (0.739–1.364) 0.987
 Well 22 119   
 Moderate 56 426   
 Poorly 36 211   
Lymph node resected 23.5±9.3 24.3±9.6 1.010 (0.988–1.032) 0.395
pTNM stage    1.022 (0.774–1.349) 0.880
 I 23 124   
 II 46 354   
 III 45 278   
  1. PPOI prolonged postoperative ileus, OR odds ratio, BMI body mass index, ASA American Society of Anesthesiologists, LC left colectomy, RC right colectomy