Table 1. Demographic data of patients with type 1 diabetes and health controls.
| T1D patients n(%)915 | Mean ± SD | Controls n(%) 789 | Mean ± SD | Pa | |
|---|---|---|---|---|---|
| Age (years) | 24.6 ± 13.0 | 28.5 ± 11.5 | <0.0001 | ||
| Disease duration (years) | 12.4 ± 10.6 | ||||
| Age at diagnosis (years) | 12.3 ± 8.4 | ||||
| Gender | |||||
| Male | 388 (42.4%) | 477 (60.5%) | <0.0001a | ||
| Female | 527 (57.6%) | 312 (39.5%) | |||
| BMI (kg/m2) | 21.8 ± 4.3 | 24.2 ± 3.5 | <0.0001b | ||
| Self-reported skin Color | |||||
| White | 729 (81.7%) | 490 (65.6%) | <0.0001a | ||
| Brown | 137 (15.4%) | 208 (27.8%) | <0.0001a | ||
| Black | 21 (2.4%) | 44 (5.9%) | 0.0003a | ||
| Yellow | 5 (0.6%) | 5 (0.7%) | 0.7782a | ||
| Glycemia (mg/dL) | 189.3 ± 113.7 | 83.5 ± 9.8 | <0.0001 | ||
| HbA1c (%) | 8.4 ± 2.2 | 5.1 ± 0.4 | <0.0001 | ||
| HbA1c(mmol/mol) | 68.3 ± 2.2 | 32.2 ± 0.4 | <0.0001 | ||
| C-peptide (ng/dL) | 0.37 ± 0.31 | 2.21 ± 1.73 | <0.0001 | ||
T1D = type 1 diabetes mellitus, n = number of subjects, SD = standard deviation.
aFisher’s exact test.
bStudent T test, HbA1c = glycated hemoglobin, BMI = body mass index.