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 score | BARD score | FIB-4 | % (95% CI) | % (95% CI) | % (95% CI) |
| Sensitivity | 30 (12-54) | 46 (27-67) | 68 (46-85) | Specificity | 89 (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 value | 93 (82-97) | 50 (13-86) | 77 (45-92) | Negative predictive value | 22 (12-38) | 36 (31-42) | 55 (29-78) | Accuracy | 64.3 (48-78.5) | 37 (23-54) | 60 (42-74) | AUROC | 0.53 | 0.5 | 0.7 |
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The area under the receiver-operating characteristic. |