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. 2015 Aug 30;15(8):e29183. doi: 10.5812/hepatmon.29183

Table 3. Sensitivity, Specificity and Predictive Values of Different HBsAg Levels for Predicting Compensated Cirrhosis a.

HBsAg, IU/mL Number of Patients Sensitivity b Specificity b PPV b NPV b LR+ LR-
< 4000, 3.60 Log 10 74 80.3 82.4 66.2 90.7 4.56 0.22
< 3000, 3.48 Log 10 60 67.2 86.6 68.3 86.1 5.02 0.38
< 2000, 3.30 Log 10 38 42.6 91.5 68.4 78.8 5.04 0.63
< 1000, 3.00 Log 10 18 21.3 96.4 72.2 74.1 6.05 0.82
< 500, 2.70 Log 10 9 14.8 100 100 73.2 - 0.85

a Abbreviations: HBsAg, hepatitis B surface antigen; LR+, positive likelihood rate; LR-, negative likelihood rate; NPV, negative predictive value; and PPV, positive predictive value.

b Values’ unit is %.