Table 4 Correlation between risk groups and frequency of CBD lithiasis on preoperative magnetic resonance cholangio-pancreatography (MRCP)
Risk group | No. of patients | No. of patients with CBD stones |
|---|---|---|
High | 21 (20.2%) | 2 (1.9%) |
Moderate | 69 (66.3%) | 4 (3.8%) |
Low | 9 (8.7%) | 1(1%) |
No risk | 5 (4.8%) | 0 (0%) |
Total | 104 | 7 (6.7%) |