Baseline characteristics of the TrialNet and ECPT participants
| TrialNet | ECPT | Combined data* | |
|---|---|---|---|
| n | 148 | 118 | 230 |
| Male sex (%) | 91 (61) | 70 (59) | 138 (60) |
| Age (years) | |||
| Median (range) | 15 (8–35) | 19 (8–40) | 16 (8–35) |
| Means ± SD | 16.2 (6.19) | 20.3 (7.54) | 17.2 (6.53) |
| Categories | |||
| 8–12 years (%) | 51 (34) | 26 (22) | 73 (32) |
| 13–17 years (%) | 49 (33) | 26 (22) | 66 (29) |
| ≥18 years (%) | 48 (32) | 66 (56) | 91 (40) |
| Race | |||
| White | 128 (86) | 116 (98) | 208 (90) |
| African American | 6 (4) | 0 (0) | 6 (3) |
| American Indian | 3 (1) | 0 (0) | 3 (1) |
| Asian | 4 (3) | 1 (0.85) | 5 (2) |
| Other | 7 (5) | 1 (0.85) | 8 (3) |
| Ethnicity | |||
| % Hispanic | 10 (7) | N/A | N/A |
| Duration of type 1 diabetes (years) | |||
| Median (range) | 1.36 (0.08–2.98) | 2.32 (0.75–4.97) | 1.49 (0.08–2.98) |
| Mean ± SD | 1.4 ± 0.88 | 2.5 ± 1.27 | 1.54 ± 0.84 |
| Categories | |||
| 0 to <1 year | 60 (41) | 15 (13) | 75 (33) |
| 1 to <2 years | 39 (26) | 34 (29) | 72 (31) |
| 2 to <3 years | 49 (33) | 34 (29) | 83 (36) |
| 3 to <4 years | N/A | 14 (12) | N/A |
| 4 to <5 years | N/A | 21 (18) | N/A |
| A1C (%) | 7.3 ± 1.4 |
Data are n (%), median (range), and means ± SD.
↵* Restricted to TrialNet and ECPT study subjects with diabetes duration of 3 months to 3 years and 8–35 years of age. N/A, not applicable.