Table 4 Logistic regression analysis of postoperative biliary stone recurrence

Age ≥ 65

1.252

0.564

4.923

0.027

3.497

1.157~10.565

Preoperative Tbil ≥ 43umol/L

1.363

0.563

5.859

0.015

3.908

1.296~11.783

BMI ≥ 24

1.493

0.674

4.9

0.027

4.45

1.187~16.688

History of upper abdominal surgery

1.683

0.595

7.985

0.005

5.38

1.675~17.286

Bile duct sediment-like stones

3.213

0.651

24.32

< 0.001

24.849

6.931~89.095

Pinaverium bromide (Oral administration)

-1.488

0.591

6.345

0.012

0.226

0.071~0.719