Table 1.
Characteristics of the study participants
| Control | AbPos | T1D | P | |
|---|---|---|---|---|
| N | 25 | 20 | 22 | |
| HLA DR group, n | 0.55 | |||
| 4/4, 4/3, or 4/X and DQB1*03:02 | 17 | 15 | 17 | |
| 3/3 or 3/X | 5 | 3 | 3 | |
| Other | 3 | 2 | 2 | |
| FDR, n (%) | 9 (36) | 11 (55) | 15 (68) | 0.08 |
| Female sex, n (%) | 13 (52) | 8 (40) | 10 (45) | 0.72 |
| NHW ethnicity, n (%) | 20 (80) | 15 (75) | 21 (95) | 0.17 |
| Age (years) at development of IA, median (IQR) | 7.4 (5.4, 9.9) | 5.2 (2.9, 7.9) | 0.06 | |
| Age (years) at development of diabetes, median (IQR) | 11.0 (9.4, 13.7) | — |
All comparisons by χ2 except age at IA, which was compared using Wilcoxon rank sum test. IQR, interquartile range; NHW, non-Hispanic white; X, neither HLA DR4 nor DR3.