Table 2. Pre-ERCP management, procedure – ERCP interval, and diagnostic ERCP success rate.
| LC(n = 38) | OC(n = 73) | Total(n = 111) | P value | |
| Pre-ERCP imaging | ||||
| Collection | 18 (47 %) | 43 (59 %) | 61 (55 %) | 0.169 |
| Missed stones | 3 (8 %) | 7 (10 %) | 10 (9 %) | 0.525 |
| Pre-ERCP management | ||||
| US-guided tube drain | 14 (37 %) | 25 (34 %) | 39 (35 %) | 0.458 |
| Exploration and drainage | 2 (5 %) | 8 (11 %) | 10 (9 %) | < 0.001 |
| Exploration and T-tube | 0 | 2 (3 %) | 2 (2 %) | |
| Interval to ERCP, days | ||||
| Mean (SD) | 8.3 ± 1.5 | 28.5 ± 4 | 18.9 ± 2.2 | < 0.001 |
| Median (range) | 5 (1 – 45) | 15 (2 – 100) | 9 (1 – 00) | |
| Diagnostic ERCP success rate | 38 (100 %) | 70 (96 %) | 108 (97 %) | 0.550 |
ERCP, endoscopic retrograde cholangiopancreatography; LC, laparoscopy cholecystectomy; OC, open cholecystectomy; US, ultrasound.