Table 2.
Pre-operative Data
| HPS (n = 612) | non-HPS (n = 4,524) | P value | OR (95% CI) | |
|---|---|---|---|---|
| Urgency | ||||
| Elective | 293 (47.9%) | 2563 (56.7%) | <0.001 | 0.703 (0.593, 0.832) |
| Emergency | 310 (50.7%) | 1877 (41.5%) | <0.001 | 1.448 (1.222, 1.714) |
| Not Recorded | 9 (1.5%) | 84 (1.8%) | 0.501 | 0.789 (0.395, 1.577) |
| Clinical Presentation | ||||
| Chronic Biliary Symptoms | 295 (48.2%) | 2742 (60.6%) | <0.001 | 0.605 (0.511, 0.716) |
| Acute Biliary Pain | 159 (26.0%) | 1292 (28.6%) | 0.184 | 0.878 (0.725, 1.064) |
| Acute Cholecystitis | 171 (27.9%) | 265 (5.9%) | <0.001 | 6.232 (5.022, 7.733) |
| Acute Pancreatitis | 23 (3.8%) | 355 (7.8%) | <0.001 | 0.459 (0.298, 0.705) |
| Acute Cholangitis | 7 (1.1%) | 107 (2.4%) | 0.054 | 0.478 (0.201, 1.031) |
| Jaundice | 98 (16.0%) | 797 (17.6%) | 0.326 | 0.892 (0.709, 1.121) |
| CBD Risk Factors | 186 (30.4%) | 1590 (35.1%) | 0.020 | 0.806 (0.671, 0.967) |
| Previous Upper Abdominal Surgery | 14 (2.3%) | 91 (2.0%) | 0.651 | 1.140 (0.646, 2.015) |
HPS, Hartmann's pouch stone; OR, odds ration; CI, confidence interval; CBD, common bile duct.