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. Author manuscript; available in PMC: 2016 Jun 1.
Published in final edited form as: Aliment Pharmacol Ther. 2015 Apr 15;41(12):1271–1280. doi: 10.1111/apt.13196

Table 3.

Diagnostic test characteristics of 2D-MRE and FIB-4

Test AUROC (95% Confidence
Interval)		 Cut-off Sens Spec PPV NPV Number
Correctly
Classified (%)		 Number
Misclassified
(%)		 False
Positives		 False
Negatives
2D-MRE 0.957 (0.918, 0.996) 3.64 kPa 0.922 0.904 0.686 0.981 92 (90.2%) 10 (9.8%) 8 2
FIB-4 0.861 (0.775, 0.946) 1.30 (Lower) 0.842 0.723 0.410 0.952 75 (73.5%) 27 (26.5%) 24 3
2.67 (Upper) 0.250 0.976 0.703 0.850 86 (84.3%) 16 (15.7%) 2 14

Abbreviations: AUROC: area under receiver operating characteristic, 2D-MRE: 2-dimensional magnetic resonance elastography, Sens: sensitivity, Spec: specificity: PPV: positive predictive value, NPV: negative predictive value.