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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