Table 1.
Characteristics of the EDC 1965–1980 type 1 diabetes diagnosis subcohort at study baseline (1986–1988)
| Characteristic | Mean (SD), unless otherwise noted |
|---|---|
| n | 434 |
| Age (years) | 23.4 (5.6) |
| Diabetes duration (years) | 14.8 (4.3) |
| Age at diabetes onset (years) | 8.6 (4.1) |
| Female sex, % (n) | 49.8% (216) |
| African American, % (n) | 2.3% (10) |
| HbA1c (%; mmol/mol) | 8.91 (1.57); 74 (17.2) |
| A1c Months | 528.6 (319.7) |
| Prevalent complications, % (n) | |
| Proliferative retinopathy | 16.1% (70) |
| Microalbuminuria | 39.2% (170) |
| Overt nephropathy | 18.2% (79) |
| ESRD | 1.2% (5) |
| CDSP | 14.1% (61) |
| CAD | 4.8% (21) |