Table 4: Subgroup analysis.
*Differential diagnosis from neonatal hepatitis means the articles use liver biopsy to differential diagnose BA from neonatal hepatitis.
| Covariate | Heterogeneity (I2) | Threshold effect (P) | Sensitivity (%) | Specificity (%) | DOR | AUC |
| Study design |
| Prospective | No (16.7%) | No (0.272) | 92.1 | 97.2 | 308.81 | 0.9868 |
| Retrospective | Yes (66.5%) | No (0.119) | 91.6 | 92.9 | 115.49 | 0.9691 |
| Cases |
| 60 | | | | | | |
| No (0.0%) | No (0.405) | 85.9 | 90.5 | 58.503 | 0.9477 | |
| 60 | | | | | | |
| Yes (63.6%) | Yes (0.043) | 91.9 | 95.6 | 325.84 | 0.9879 | |
| Differential diagnosis from neonatal hepatitis |
| No (16.32%) | No (0.214) | 91.3 | 95.5 | 275.34 | 0.9834 |