Table 4 Indicators related surgery

Gallbladder wall thickness(≥ 3 mm)

Within 24 h of admission, n(%)

27(71.05%)

27(72.97%)

0.853^a

Within 24 h before surgery, n(%)

16(42.11%)

24(64.86%)

0.048^a

Adhesions mAFS score, points, M(SD )

1.08(0.59)

1.92(0.60)

0.000^b

Surgical drain placement

2(5.26%)

9(24.32%)

0.020^a

Operation time, minutes, M(SD)

38.03(5.90)

48.51(8.37)

0.000^b