Table IV. Characteristics of children with T1DM according to the presence or the absence of anti-thyroid antibodies.
| Absence of thyroid antibodies | One thyroid antibody positive (+) | Both thyroid antibodies positive (+) | P | |
|---|---|---|---|---|
| n = 117 | n = 12 | n = 15 | ||
| Current age (years) | 12.0 ± 4.8 | 11.9 ± 5.6 | 16.6 ± 4.7 | 0.027 |
| Age at diabetes diagnosis (years) | 7.8 ± 3.8 | 8.2 ± 3.9 | 8.9 ± 4.7 | NS |
| Males (n = 75) | 62 (82.6%) | 9 (12%) | 4 (5.3%) | chi-square = 6.44 |
| Females (n = 69) | 55 (79.7%) | 3 (4.3%) | 11 (15.9%) | P = 0.04 |
| Diabetes duration (years) | 4.3 ± 3.7 | 3.8 ± 2.7 | 7.4 ± 4.5 | 0.031 |
| BMI (kg/m2) | 20.5 ± 3.5 | 20.9 ± 4.6 | 21.4 ± 4.9 | NS |
| HtSDS | 0.20 ± 1.21 | 0.22 ± 0.72 | 0.16 ± 1.0 | NS |
| T4 (μg/dL) | 9.2 ± 2.5 | 9.2 ± 1.1 | 8.8 ± 1.1 | NS |
| TSH (μIU/L) | 2.3 ± 0.8 a | 3.8 ± 1.9 | 4.8 ± 1.6 b | NS |
a versus b: P = 0.002.