Table 1.

Specificity, Sensitivity, PPV, and NPV of IgA Anti-tTG and EMA Assays in GI Group

AssaySpecificity
% (95% CI)
Sensitivity
% (95% CI)
PPV
% (95% CI)
NPV
% (95% CI)
Anti-tTG94 (85–99)89 (52–99.7)67 (35–90)98 (91–99.9)
EMA97 (89–99.6)89 (52–99.7)80 (44–97)98 (92–99.9)