Research Article

The Prevalence of NAFLD and Fibrosis in Bariatric Surgery Patients and the Reliability of Noninvasive Diagnostic Methods

Table 3

Reliability of serum markers in the definition of moderate fibrosis ().

NAFLD scoreBARD scoreFIB-4

% (95% CI)

% (95% CI)

% (95% CI)

Sensitivity30 (12-54)46 (27-67)68 (46-85)
Specificity89 (52-99)54 (27-79)67 (52-98)
Likelihood ratio +2.7 (1.3-5.5)0.6 (0.1-3)2 (1.3-3.2)
Likelihood ratio -0.8 (0.1-5.1)1.1 (0.84-1.34)0.5 (0.1-4.4)
Positive predictive value93 (82-97)50 (13-86)77 (45-92)
Negative predictive value22 (12-38)36 (31-42)55 (29-78)
Accuracy64.3 (48-78.5)37 (23-54)60 (42-74)
AUROC0.530.50.7

The area under the receiver-operating characteristic.