Table 3 Diagnostic performance of each approach for predicting advanced fibrosis in cohort with a 3.7% prevalence of advanced fibrosis.
| Ā | Se, % | Sp, % | PPV, % | NPV, % | Diagnosed as high risk/ all cases, % | Referral cases/ all cases, % |
|---|---|---|---|---|---|---|
FIB-4 | 91.2ā±ā10.7 (71.4 to 100.0) | 43.7ā±ā3.7 (36.6 to 50.8) | 5.8ā±ā0.7 (4.2 to 7.1) | 99.2ā±ā0.9 (97.2 to 100.0) | ā | - |
2-step: FIB-4āVCTE | 84.4ā±ā13.7 (57.1 to 100.0) | 73.5ā±ā3.3 (67.2 to 79.8) | 11.0ā±ā2.0 (6.9 to 14.9) | 99.2ā±ā0.7 (97.7 to 100.0) | 28.7ā±ā3.2 (22.6 to 34.7) | 57.6ā±ā3.6 (50.5 to 64.7) |
3-step: FIB-4āELFāVCTE | 81.5ā±ā14.7 (57.1 to 100.0) | 79.0ā±ā3.0 (73.2 to 84.7) | 13.1ā±ā2.7 (7.8 to 18.4) | 99.1ā±ā0.7 (97.7 to 100.0) | 23.2ā±ā2.9 (17.4 to 28.9) | 40.0ā±ā3.5 (33.2 to 46.8) |
Difference (vs. 2-step) | āāā2.9ā±ā6.3 (āā14.3 to 0.0) | 5.5ā±ā1.7 (2.7 to 8.8) | 2.1ā±ā1.3 (āā0.6 to 4.7) | āāā0.1ā±ā0.3 (āā0.7 to 0.2) | āāā5.4ā±ā1.6 (āā8.9 toāāā2.6) | āāā17.7ā±ā2.8 (āā23.2 toāāā12.6) |
3-step: FIB-4āT4C7SāVCTE | 83.4ā±ā14.0 (57.1 to 100.0) | 78.4ā±ā3.1 (72.1 to 84.2) | 13.1ā±ā2.6 (8.0 to 18.2) | 99.2ā±ā0.7 (97.8 to 100.0) | 23.8ā±ā3.0 (17.9 to 30.0) | 36.3ā±ā3.4 (29.5 to 43.2) |
Difference (vs. 2-step) | āāā1.0ā±ā3.7 (āā14.3 to 0.0) | 5.0ā±ā1.6 (2.2 to 8.2) | 2.1ā±ā1.0 (āā0.1 to 4.3) | 0.0ā±ā0.2 (āā0.7 to 0.2) | āāā4.8ā±ā1.5 (āā7.9 toāāā2.1) | āāā21.3ā±ā3.0 (āā27.3 toāāā15.8) |