Table 3.
Demographic, clinical and biochemical features of patients in relation to the diagnosis of common bile duct microcrystals (Fischer’s s exact test or U Mann-Whitney’s test when needed)
| Feature | Microcrystals present (n = 118) | Microcrystals absent (n = 33) | P |
| Women | 91 | 11 | 0.066 |
| Men | 27 | 22 | 0.066 |
| Age [years] (mean) | 52.4 | 54.2 | 0.623 |
| Gallbladder stones present | 81 | 20 | 0.770 |
| BMI (mean) | 27.8 | 28.7 | 0.490 |
| Number of cases with Goodman’s criteria of ABP present (at least 1 criterion) | 106 | 23 | 0.670 |
| Bilirubin [(mol·L-1)] (mean) | 54.4 | 49.3 | 0.607 |
| Alkaline phosphatase [IU·L-1]](mean) | 213.7 | 178.9 | 0.148 |
| Alanine transaminase [IU·L-1]] (mean) | 350.4 | 383.4 | 0.577 |