Table 3.

Positive and negative predictive values (95% CIs) for the anti-EmA assay, the anti-gp-tTG ELISA, and the anti-h-tTG ELISA in our study population.1

EmA assayAnti-gp-tTG ELISAAnti-h-tTG ELISA
Positive predictive value, %100 (96–100)60 (44–76)80 (65–95)
Negative predictive value, %100 (99–100)100 (99–100)100 (99–100)