Table 1.
Characteristics of patients with and without CBDS.
| Variable | All patients n = 350 | CBDS (+) n = 226 | CBDS (–) n = 124 | Odds ratio (95% CI) | p value |
|---|---|---|---|---|---|
| Demographic | |||||
| Age (year), mean (SD) | 65.2 (17.9) | 66.3 (17.7) | 63.3 (18.1) | – | 0.130 |
| Female; n (%) | 222 (63.4) | 135 (59.73) | 87 (70.16) | 0.63 (0.4–1.0) | 0.053 |
| Clinical | |||||
| Jaundice, n (%) | 242 (69.1) | 165 (73.0) | 77 (62.1) | 1.65 (1.04–2.63) | 0.035 |
| Acute biliary pancreatitis, n (%) | 63 (18) | 30 (13.2) | 33 (26.6) | 0.42 (0.24–0.73) | 0.002 |
| Acute cholangitis, n (%) | 56 (16) | 45 (19.9) | 11(8.9) | 2.5 (1.24–5.04) | 0.002 |
| Acute cholecystitis, n (%) | 101 (28.9) | 60 (26.5) | 41 (33.1) | 0.73 (0.45–1.18) | 0.198 |
| Radiological | |||||
| Diameter of CBD (mm), mean (SD) | 10.17 (4.2) | 11.35 (4.11) | 7.94 (3.28) | – | <0.001 |
| CBDS seen on US, n (%) | 137 (39.1) | 112 (49.6) | 25 (20.2) | 5.81 (3.29–10.26) | <0.001 |
| Biochemical | |||||
| Total bilirubin (µmol/l), mean (SD) | 74.8 (63.3) | 82.1 (65.7) | 61.4 (56.4) | – | 0.002 |
CBDs: common bile duct stones; US: ultrasound; CI: confidence interval; SD: standard deviation. Statistically significant values are typed in bold.