n

%

Gender

Female

Male

1254

346

78.4

21.6

Age

>60

<60

442

1168

27.6

72.4

Biliary colic

Yes

No

842

758

52.6

47.4

Acute cholecystitis

Yes

No

121

1479

7.6

92.4

Chronic dyspepsia

Yes

No

620

980

38.8

61.2

Gall bladder polyp

Yes

No

11

1589

0.4

99.6

cholecysto-choledocholithiasis

Yes

No

6

1594

0.7

99.3

Concomitant diseases

Present

Not present

564

1046

35.2

64.8

Previous abdominal surgery

Upper abdominal surgery

Lower abdominal surgery

No abdominal surgery

25

319

1266

1.5

19.9

78.6

History of jaundice

yes

No

41

1559

2.6

97.4

Obesity

Yes

No

724

876

45.3

54.7

Gall bladder wall on ultrasound

Thick

Normal

347

1253

21.7

78.3

Preoperative ERCP

Yes

No

6

1594

0.4

99.6

Required conversion

Yes

No

56

1544

3.5

96.5