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Table 3 Univariate results for clinical characteristics associated with major LARS in the learning set

From: Development and evaluation of a Japanese prediction model for low anterior resection syndrome after rectal cancer surgery

Variable Category No. of patients Incidence of major LARS (%) Univariate analysisa
OR (95% CI) p value
Sex Male 73 47.9 2.947 (1.297–7.127) 0.009
  Female 42 23.8 Reference  
Age, y < 75 102 42.2 4.008 (1.010–26.765) 0.048
  ≥ 75 13 15.4 Reference  
BMI, kg/m2 < 25.0 92 40.2 1.264 (0.495–3.411) 0.631
  ≥ 25.0 23 34.8 Reference  
Tumor distance from AV, cm < 8.5 48 67.4 9.375 (4.193–22.185) < 0.001
  ≥ 8.5 67 20.3 Reference  
Type of surgery ISR 13 76.9 6.381 (1.818–29.840) 0.003
  HAR, LAR 102 34.3 Reference  
  1. OR odds ratio, CI confidence interval, LARS low anterior resection syndrome, BMI body mass index, AV anal verge, HAR high anterior resection, LAR low anterior resection, ISR intersphincteric resection
  2. aMann-Whitney's U test