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Table 2 Univariate and multivariate analysis of risk factors associated with gallstones after laparoscopic gastrectomy

From: Important risk factors for gallstones after laparoscopic gastrectomy: a retrospective study

Variables

Stone-negative

n = 63

Stone-positive

n = 27

Univariate

Multivariate

 

p-value

Odds ratio (95% CI)

p-value

Age (years)

     

 < 70

38

14

   

 ≥ 70

25

13

0.49

  

Sex (M/F)

     

 Male

36

24

   

 Female

27

3

0.003

0.174 (0.046–0.655)

0.010

Body mass index (kg/m2)

     

 < 23

32

9

   

 ≥ 23

31

18

0.17

  

Type of gastrectomy

     

 LDG

54

21

   

 LTG

9

6

0.37

  

Extent of dissection

     

 D1/D1 + 

57

25

   

 D2

6

2

1.00

  

Reconstruction after laparoscopic gastrectomy

     

 Billroth-I

17

1

   

 Roux-en-Y

46

26

0.010

9.001 (1.04–71.4)

0.040

  1. LDG laparoscopic distal gastrectomy, LTG laparoscopic total gastrectomy, CI confidence interval