Table 2.
Predictive preoperative criteria comparing CVS vs. No CVS
| Characteristics | CVS established n = 893 (84.2%) | No CVS established n = 167(15.8%) | p value | OR (95% CI) |
|---|---|---|---|---|
| Age > 60 years (n = 355) | 268 (75.5%) | 87 (24.5%) | < 0.001 | 0.39 (0.28–0.55) |
| Male sex (n = 339) | 256 (75.5%) | 83 (24.5%) | < 0.001 | 0.41 (0.29–0.57) |
| Emergency admission (n = 582) | 462 (79.4%) | 120 (20.6%) | < 0.001 | 0.42 (0.29–0.60) |
| Timing of surgery in days | ||||
| 0–1 (n = 748) | 641 (85.7%) | 107 (14.3%) | REF | REF |
| 2–5 (n = 200) | 163 (81.5%) | 37 (18.5%) | 0.142 | 0.74 (0.49–1.11) |
| ≥ 6 (n = 112) | 89 (79.5%) | 23 (20.5%) | 0.086 | 0.65 (0.39–1.07) |
| Admission diagnosisa | ||||
| Acute Biliary colic (n = 179) | 168 (93.9%) | 11 (6.1%) | REF | REF |
| Chronic biliary colic (n = 463) | 418 (90.3%) | 45 (9.7%) | 0.15 | 0.61 (0.31–1.20) |
| Obstructive jaundice (n = 167) | 135 (80.8%) | 32 (19.2%) | < 0.001 | 0.28 (0.13–0.57) |
| Acute pancreatitis (n = 92) | 84 (91.3%) | 8 (8.7%) | 0.436 | 0.69 (0.27–1.77) |
| Acute cholangitis (n = 33) | 25 (75.8%) | 8 (24.2%) | < 0.001 | 0.20 (0.08–0.56) |
| Acute cholecystitis (n = 126) | 63 (50.0%) | 63 (50.0%) | < 0.001 | 0.07 (0.03–0.13) |
| Previous admission (n = 150) | 105 (70.0%) | 45 (30.0%) | < 0.001 | 0.36 (0.24 – 0.54) |
| Previous biliary surgery (n = 6)b | 2 (33.3%) | 4 (66.6%) | < 0.001 | 0.09 (0.02–0.50) |
| Previous ERCP (n = 13) | 5(38.5%) | 8 (61.5%) | < 0.001 | 0.11 (0.04–0.35) |
REF Reference Group
aMore than one characteristic entered occasionally
bPrevious biliary surgery includes: cholecystostomy, cholecystectomy, common bile duct exploration