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. 2017 Aug 11;10:203–209. doi: 10.2147/CEG.S135526

Table 3.

Performance of serum CK 18 levels for the diagnosis of significant inflammation and significant fibrosis

Parameter Cutoff value (U/L) Sensitivity (%) Specificity (%) PPV NPV LR+ LR–
Significant inflammation 243.0 68 82 37 94 3.9 0.4

Abbreviations: LR+, positive likelihood ratio; LR–, negative likelihood ratio; NPV, negative predictive value; PPV, positive predictive value.