Table 4.

Diagnosis accuracy of simple scoring systems to differentiate between patients with and without advanced (stage 3–4) fibrosis

	Area under the ROC curve (95% confidence intervals) [p value for the comparison with the score alone)
Score		Plus Ferritin > ULN	Plus Ferritin > 1.5 x ULN	Plus Ferritin > 2 x ULN
NAFLD-FS	0.83 (0.79, 0.86)	0.84 (0.80, 0.88) [p = 0.64]	0.84 (0.80, 0.87) [p = 0.63]	0.84 (0.80, 0.87) [p = 0.68]
BARD	0.72 (0.69, 0.76)	0.75 (0.72, 0.79) [p = 0.27]	0.76 (0.72, 0.79) [p = 0.23]	0.74 (0.70, 0.77) [p = 0.24]
APRI	0.74 (0.70, 0.78)	0.74 (0.70, 0.76) [p = 0.99]	0.74 (0.70, 0.78) [p = 0.99]	0.73 (0.69, 0.77) [p = 0.92]
FIB-4	0.81 (0.78, 0.85)	0.82 (0.78, 0.85) [p = 0.92]	0.82 (0.78, 0.85) [p = 0.92]	0.82 (0.78, 0.85) [p = 0.92]