Table 7. Positivity of autoantibodies within 0.5 year of diagnosis stratified by age at diagnosis.
Antibody | Positive/Total (%) | ||
---|---|---|---|
0.5 – <12.0 | 12.0–19.0 | Pa | |
GADA | 307/411 (74.7) | 90/125 (72.0) | 0.54 |
IA2A | 308/411 (74.9) | 80/125 (64.0) | 0.016 |
GADA or IA2 | 379/411 (92.2) | 102/125 (81.6) | 0.0006 |
aχ2 test (2 × 2 contingency table).
Abbreviations: GADA, Glutamic acid decarboxylase 65 autoantibody; IA2A, insulinoma-associated protein 2 autoantibody.