Skip to main content

Table 4 The parallel test results for GGT and LSM in BA infants

From: Combination of gamma-glutamyl transferase and liver stiffness measurement for biliary atresia screening at different ages: a retrospective analysis of 282 infants

  

AUC

Youden index

95% CI

sensitivity

specificity

PPV

NPV

All patients

GGT > 192.5 U/L or LSM > 9.5 kPa

0.785

0.570

0.730–0.840

0.978

0.592

0.681

0.945

Group A (≤60d)

GGT > 191.2 U/L or LSM > 7.5 kPa

0.746

0.493

0.651–0.842

0.973

0.520

0.735

0.923

Group B (61-90d)

GGT > 213.2 U/L or LSM > 10.0 kPa

0.784

0.567

0.703–0.865

0.981

0.586

0.654

0.976

Group C (91-120d)

GGT > 281.5 U/L or LSM > 11.0 kPa

0.870

0.741

0.753–0.988

1.000

0.741

0.583

1.000

  1. CI Confidence interval, PPV Positive predictive value, NPV Negative predictive value, LSM Liver stiffness measurement, GGT Gamma-glutamyl transferase, AUC The area under the receiver operating characteristic curve