Table 1 Antibody tests for celiac disease used in the study
Assays | Manufacturer’s cut-off (U/ml) | Optimal ROC cut-off for diagnosing untreated CD (U/ml) | Optimal ROC cut-off for monitoring treated CD (U/ml) |
|---|---|---|---|
Endomysial IgA antibodies assay | |||
ORG 802/ORG 872 Anti-Endomysium Antibodies kit | 1:5 | - | 1:5 |
Orgentec Diagnostika GmbH, Mainz, Germany | |||
Anti-tissue transglutaminase assays | |||
Eu-tTG umana IgA, Eurospital, Trieste, Italy | 9 | 16.4 | 11.9 |
Quanta Lite h-tTG IgG ELISA, Inova Diagnostics | 20 | 7.8 | 10.3 |
Antibodies against deamidated gliadin peptide assays | |||
Quanta Lite Gliadin IgA II ELISA, Inova Diagnostics, San Diego, USA | 20 | 8.0 | 8.2 |
Quanta Lite Gliadin IgG II ELISA, Inova Diagnostics, San Diego, USA | 20 | 11.6 | 11.9 |