Table 2.
Distribution of Common Bile Duct Size Within the Study and Control Groups
Common bile duct diameter (mm) | ≤4 (normal) | 5–7 (borderline) | ≥8 (dilatation) |
---|---|---|---|
Study group, N (%) | 119 (55.3%) | 40 (18.6%) | 56 (26.1%) |
Control group, N (%) | 97 (89.8%) | 8 (7.4%) | 3 (2.8%) |
P-value | <.0001 | <.0001 | <.0001 |