Table 1.
Age at seroconversion and diagnosis of coeliac disease (CD) in the children monitored for anti-tissue transglutaminase (tTG) immunoglobulin A (IgA) avidity.
| Age (years) at seroconversion to | |||||||
|---|---|---|---|---|---|---|---|
| Child no. | Age (years) at gastroscopy | Status | IgA-EMA+ | IgA-ARA+ | IgA-AGA+ | IgG-AGA+ | IgA-tTG+ |
| 3804 | 2·5b | 2·5 | 3·0a | 2·5a | 2·5 | 6·0 | CD |
| 8118 | 6·0 | 6·0 | 6·0 | 6·6 | 6·0 | 6·7 | CD |
| 11282 | 3·5 | 4·5 | 0·7b | 0·7 | 3·5 | 5·0 | CD |
| 13254 | 2·6 | 2·6 | 2·6b | 1·8 | 2·6 | 3·3 | CD |
| 13723 | 4·0 | 4·0 | 2·5b | 1·5 | 4·0 | 5·0/5·3 | n.s./CD |
| 14474 | 1·5 | 1·5 | 2·0 | 1·3 | 1·5 | 3·1 | CD |
| 15805 | 1·8 | 1·8b | 3·0b | 1·0 | 1·8 | 2·7/3·7 | n.s./CD |
| 18532 | 3·0 | 3·0 | 2·5 | 1·3 | 3·0 | 3·6 | CD |
| 19789 | 1·5 | 1·5 | 1·5 | 1·5 | 1·5 | 3·4 | CD |
| 20470 | 2·5 | 2·5 | 3·0 | 2·5 | 2·5 | 3·3 | CD |
| 132 | 6·0 | –c | 9·9 | –c | 6·5b | –d | n.d. |
| 7622 | 2·4b | –c | –c | –c | 3·5b | 5·0/6·1 | no CD |
| 7868 | 5·0a | 5·0a | –c | 5·0a | 5·0a | 5·8 | no CD |
| 11147 | 1·3a | 1·5a | –c | 1·0a | 1·3a | –d | n.d. |
| 11287 | 3·4b | 2·4b | –c | 3·4 | 3·4a | 4·0 | no CD |
| 14068 | 3·5 | –c | 6·3 | 5·6 | 4·0b | –d | n.d. |
| 14199 | 3·0a | –c | –c | –c | 3·5a | –d | n.d. |
| 17295 | 2·5b | 2·5b | –c | 1·5 | 2·5a | –d | n.d. |
| 22688 | 1·0a | 1·6a | –c | 1·0a | 1·0a | –d | n.d. |
| 24936 | 1·0b | 1·0a | 1·0a | 0·8a | 1·0a | –d | n.d. |
n.s.: Non-specific duodenal biopsy findings; n.d.; not determined.
a
Transient positivity
b
fluctuating positivity
c
no seroconversion
d
gastroscopy not performed. EMA: endomysium; ARA: anti-reticulin antibodies; AGA: antibodies to gliadin.