Characteristics of participants with type 1 diabetes
| All | Boys | Girls | P value | |
| Diabetes duration, years | ||||
| Median (range) | 4.2 (0.4 to 15.9) | 4.1 (0.4 to 15.9) | 4.3 (0.4 to 14.1) | 0.7 |
| Diabetes debut age, years | ||||
| Mean (SD) | 7.9 (3.5) | 7.8 (3.7) | 8.1 (3.3) | 0.7 |
| HbA1c, median of disease duration | 0.3 | |||
| Median (range), mmol/mol | 62.0 (47.3 to 88.6) | 60.9 (47.3 to 88.6) | 62.6 (48.6 to 86.9) | |
| Median (range) % | 7.8 (6.5 to 10.3) | 7.7 (6.5 to 10.3) | 7.8 (6.6 to 10.1) | |
| HbA1c median of latest year | 0.9 | |||
| Median (range), mmol/mol | 61.8 (41 to 106) | 61.9 (41 to 100.8) | 61.0 (48.6 to 106) | |
| Median (range) % | 7.8 (5.9 to 11.8) | 7.8 (5.9 to 11.4) | 7.7 (6.6 to 11.8) | |
| Tanner stage, n (%) | 0.3 | |||
| Prepuberty (stage 1) | 19 (22%) | 13 (28%) | 6 (15%) | |
| Early puberty (stages 2 and 3) | 23 (27%) | 12 (26%) | 11 (28%) | |
| Late puberty (stages 4 and 5) | 43 (51%) | 21 (45%) | 22 (56%) | |
| Puberty, n (%) | 0.2 | |||
| Prepuberty | 19 (22%) | 13 (28%) | 6 (15%) | |
| Puberty | 66 (78%) | 33 (72%) | 33 (85%) |
HbA1c, glycated hemoglobin.