Table 1.
Diagnostic test | Average diagnostic yield | 95% CI |
Tauroselcholic (75selenium) acid | 0.308 | 0.247 to 0.377 |
Total faecal bile acid secretion | 0.255 | 0.071 to 0.606 |
Serum FGF19 | 0.248 | 0.147 to 0.385 |
Serum C4 | 0.171 | 0.134 to 0.217 |
FGF19, fibroblast growth factor 19.