Preoperative characteristics
| Characteristic | All patients (n = 303) | IOC (n = 215, 71.0%) | No-IOC (n = 88, 29.0%) | |
|---|---|---|---|---|
| Age (yr) | 49 (16–89) | 50 (18–89) | 48 (16–86) | 0.06 |
| Male, sex | 114 (37.6) | 74 (34.4) | 40 (45.5) | 0.08 |
| ASA score | 0.20 | |||
| I | 80 (26.4) | 61 (28.4) | 19 (21.6) | |
| II | 182 (60.1) | 125 (58.1) | 57 (64.8) | |
| III | 39 (12.9) | 29 (13.5) | 10 (11.4) | |
| IV | 2 (0.7) | 0 (0.0) | 2 (2.3) | |
| Previous surgery | 97 (32.0) | 72 (33.5) | 25 (28.4) | 0.20 |
| Body mass index | 28.90 ± 5.60 | 28.90 ± 5.65 | 28.90 ± 5.48 | 0.60 |
| Surgical indication | 0.60 | |||
| History of cholecystitis | 107 (35.3) | 75 (34.9) | 32 (36.4) | |
| Hepatic colic | 128 (42.2) | 95 (44.2) | 33 (37.5) | |
| Gallstones | 29 (9.6) | 21 (9.8) | 8 (9.1) | |
| Pancreatitis | 36 (11.9) | 22 (10.2) | 14 (15.9) | |
| Polyps | 3 (1.0) | 2 (0.9) | 1 (1.1) | |
| MRCP | 64 (21.1) | 37 (17.2) | 27 (30.7) | 0.01 |
| Preoperative CBD stones | 33 (10.9) | 20 (9.3) | 13 (14.8) | 0.20 |
| Preoperative ERCP | 31 (10.2) | 19 (8.8) | 12 (13.6) | 0.20 |
Values are presented as mean (range), number (%), or mean ± standard deviation.
IOC, intraoperative cholangiography; ASA, American Society of Anesthesiologists; MRCP, magnetic resonance cholangiopancreatography; CBD, common bile duct; ERCP, endoscopic retrograde cholangiopancreatography.
*Statistically significant