Table 3. Model for prediction of CBD dilation considering patient’s age and degree of jaundice.
Total bilirubin (mg/dL) | < 7 | ≥ 7 and < 14 | ≥ 14 | ||||
Age (years) | < 70 | ≥ 70 | < 70 | ≥ 70 | < 70 | ≥ 70 | |
No. of patients (%) | 53 (11 %) | 50 (11 %) | 119 (24 %) | 95 (19 %) | 84 (17 %) | 90 (18 %) | |
Probability of | CBD ≥ 12 mm [95 % CI] |
61 % [57–65 %] |
73 % [61–85 %] |
73 % [64–81 %] |
82 % [73–89 %] |
85 % [77–93 %] |
90 % [84–96 %] |
CBD ≥ 15 mm [95 % CI] |
31 % [18–43 %] |
42 % [28–57 %] |
48 % [39–57 %] |
60 % [49–70 %] |
53 % [43–65 %] |
65 % [55–75 %] |