Table 1.
Patient characteristics
| Characteristic | IOC not performed (n = 16 078) | IOC performed, no CBD stones (n = 100 658) | IOC performed with CBD stones (n = 15 351) | All cholecystectomies (n = 132 087) |
|---|---|---|---|---|
| Age (years)* | 52 (19–99) | 51 (19–97) | 54 (19–97) | 51 (19–99) |
| Gender | ||||
| Male | 6164 (38.3) | 33 764 (33.5) | 5419 (35.3) | 45 347 (34.3) |
| Female | 9914 (61.7) | 66 894 (66.5) | 9932 (64.7) | 86 740 (65.7) |
| Preoperative symptoms of CBD stones† | ||||
| No | 14 097 (87.7) | 82 584 (82.0) | 6731 (43.8) | 103 412 (78.3) |
| Yes | 1981 (12.3) | 18 074 (18.0) | 8620 (56) | 28 675 (21.7) |
| Emergency cholecystectomy | ||||
| No | 10 605 (66.0) | 69 342 (68.9) | 6538 (43) | 86 485 (65.5) |
| Yes | 5473 (34.0) | 31 316 (31.1) | 8813 (56.2) | 45 602 (34.5) |
Values in parentheses are percentages unless indicated otherwise;
*
values are median (range).
†
Previous or ongoing jaundice, or pancreatitis. IOC, intraoperative cholangiography; CBD, common bile duct.