Table 2.
Diagnostic Test Characteristics of 2D-MRE in the Detection of Advanced Fibrosis as Well as Other Secondary Outcomes
N Positive | N Negative | AUC | Cutoff (Kpa) | Raw Sensitivity | Raw Specificity | Raw PPV | Raw NPV | CV Sensitivity | CV Specificity | CV PPV | CV NPV | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Primary | ||||||||||||
Stage 0, 1, 2 vs. 3, 4 | 22 | 95 | 0.924 | 3.64 | 0.864 | 0.905 | 0.679 | 0.966 | 0.818 | 0.895 | 0.643 | 0.955 |
Secondary | ||||||||||||
Stage 0 vs. 1, 2, 3, 4 | 74 | 43 | 0.838 | 3.02 | 0.554 | 0.907 | 0.911 | 0.542 | 0.446 | 0.907 | 0.892 | 0.488 |
Stage 0, 1 vs. 2, 3, 4 | 35 | 82 | 0.856 | 3.58 | 0.657 | 0.915 | 0.767 | 0.862 | 0.629 | 0.915 | 0.759 | 0.852 |
Stage 0, 1, 2, 3 vs. 4 | 10 | 107 | 0.894 | 4.67 | 0.8 | 0.944 | 0.571 | 0.981 | 0.7 | 0.925 | 0.467 | 0.971 |
No NASH vs. NASH | 91 | 26 | 0.733 | 3.26 | 0.42 | 0.923 | 0.951 | 0.316 | 0.429 | 0.885 | 0.929 | 0.307 |
Multivariable-adjusted stage 0, 1, 2 vs. 3, 4 | 22 | 95 | 0.952 | 3.64 | 0.864 | 0.905 | 0.679 | 0.966 | 0.818 | 0.905 | 0.667 | 0.956 |
Multivariable-adjusted model includes age and sex adjustment.
Abbreviations: N, number of patients; AUC, area under the curve; CV, cross-validated.