Original Article
Copyright ©2010 Baishideng Publishing Group Co.
World J Gastroenterol. Oct 14, 2010; 16(38): 4809-4816
Published online Oct 14, 2010. doi: 10.3748/wjg.v16.i38.4809
Table 4 Assessment of liver fibrosis stages classification by liver fibrosis indices
AUCs (95% CI)Optimal cutoff valueSensitivity (%)Specificity (%)Accuracy (%)Positive predictive value (%)Negative predictive value (%)Positive likelihood ratio
F ≥ 1 (F0 vs F1-2-3-4)
Fibro-Stiffness index0.82 (0.715-0.928)11.0777.578.677.697.524.43.62
Fibro-Stiffness index and ASTNon11.07 and 51 (IU/L)85.478.684.897.733.33.99
Liver stiffness0.77 (0.666-0.867)6.6 (kPa)64.285.766.197.818.24.49
APRI0.81 (0.680-0.934)0.4488.164.386.196.433.32.47
Forns index0.77 (0.640-0.908)4.7282.171.481.296.927.02.87
FibroIndex0.85 (0.757-0.932)1.1982.175.081.597.327.33.28
F ≥ 2 (F0-1 vs F2-3-4)
Fibro-Stiffness index0.90 (0.847-0.94310.1278.889.483.091.873.87.43
Liver stiffness0.88 (0.826-0.929)7.1 (kPa)80.880.380.686.073.64.10
APRI0.78 (0.714-0.851)1.0664.684.872.786.561.54.27
Forns index0.82 (0.757-0.890)6.2276.883.379.487.470.54.61
FibroIndex0.82 (0.754-0.888)17.0074.280.776.785.766.73.84
F ≥ 3 (F0-2 vs F3-4)
Fibro-Stiffness index0.90 (0.851-0.953)9.8793.079.684.270.796.74.56
Liver stiffness0.90 (0.856-0.952)9.6 (kPa)87.782.484.272.592.74.98
APRI0.84 (0.767-0.904)1.1380.780.680.668.788.84.15
Forns index0.80 (0.732-0.874)6.3682.570.474.559.588.42.78
FibroIndex0.85 (0.749-0.901)1.8573.680.681.468.484.33.80
F = 4 (F0-1-2-3 vs F4)
Fibro-Stiffness index0.92 (0.871-0.965)8.5191.783.784.848.998.35.62
Fibro-Stiffness index and HANon8.51 and 68 (ng/mL)91.387.988.455.398.47.26
Liver stiffness0.90 (0.844-0.957)11.6 (kPa)91.778.080.041.598.24.17
APRI0.84 (0.759-0.915)1.3091.774.577.037.998.13.59
Forns index0.87 (0.816-0.923)7.0795.875.978.840.499.13.97
FibroIndex0.89 (0.830-0.943)1.9091.378.080.143.898.04.16