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Table 1 Sensitivity, Specificity, and AUC of each biomarker under Bayesian latent class model assuming without a gold standard

From: Diagnostic accuracy of maternal serum multiple marker screening for early detection of gestational diabetes mellitus in the absence of a gold standard test

Biomarker

Parameters

Mean

Median

SD

MC error

95% CrIa

uE3

 

Sensitivity

0.67

0.66

0.15

0.02

0.58–0.72

Specificity

0.86

0.88

0.002

0.0007

0.81–0.88

AUC

0.65

0.65

0.12

0.01

0.56–0.69

β-hCG

 

Sensitivity

0.78

0.77

0.20

0.03

0.70–0.84

Specificity

0.82

0.82

0.003

0.0007

0.79–0.85

AUC

0.62

0.62

0.18

0.04

0.54–0.68

AFP

 

Sensitivity

0.71

0.70

0.06

0.002

0.66–0.78

Specificity

0.92

0.93

0.06

0.002

0.89–0.98

AUC

0.58

0.58

0.07

0.002

0.51–0.62

  1. uE3 unconjugated estriol, β-hCG beta-human chorionic gonadotropin, AFP alfa-Fetoprotein, SD standard deviation, MC monte carlo, CrI credible interval, AUC area under receiver operating characteristic curve