The diagnostic sensitivity and specificity of IgA endomysium antibodies (EmA) and IgA gliadin antibodies (AGA) for coeliac disease (CD) were studied in Swedish children. Indirect immunofluorescence was used for demonstration of EmA and the diffusion-in-gel enzyme-linked immunosorbent assay method for AGA. Serum samples were collected and analysed from 77 consecutive children undergoing small-intestinal biopsy on recognized clinical indications. The diagnostic sensitivity for CD was 98.1% for EmA and 86.5% for AGA. The specificity of the two tests was 92.7% for EmA and 92.7% for AGA in paediatric patients. In addition, 115 sera from control children showed 2.6% positive for EmA and 0.9% positive for AGA.

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