Table 1.
Demographics of the study cohort at diabetes diagnosis; data are presented as median [interquartile range] or as %; T1D: type 1 diabetes; T2D: type 2 diabetes
| Total | ≤ 20 years | > 20 years | |
|---|---|---|---|
| Number of cases | 98,945 | 49,976 | 48,969 |
| Age (years) | 18.2 [9.7 to 60.4] | 9.8 [6.1 to 13.0] | 60.6 [48.7 to 71.6] |
| Male sex (%) | 55.3 | 53.8 | 56.9 |
| BMI (kg/m2) | 22.2 [16.7 to 29.4] | 16.9 [15.3 to 19.4] | 29.4 [25.6 to 33.9] |
| BMI-SDS | 0.7 [− 0.4 to 1.7] | − 0.2 [− 0.9 to 0.6] | 1.6 [0.9 to 2.1] |
| HbA1c (%) | 10.0 [7.6 to 11.9] | 10.9 [9.4 to 12.7] | 8.0 [6.4 to 10.7] |
| HbA1c (mmol/mol) | 85.8 [59.3 to 107.1] | 96.0 [79.2 to 115.0] | 63.7 [46.6 to 93.9] |
| Blood glucose (mmol/l) | 17.3 [10.2 to 25.7] | 22.8 [16.5 to 29.9] | 11.0 [7.7 to 16.4] |
| Insulin dose (IU/kg/day) | 0.6 [0.4 to 0.9] | 0.7 [0.5 to 0.9] | 0.4 [0.2 to 0.6] |
| Migration background (%) | 10.3 | 19.0 | 1.4 |
| T1D (%) | 55.7 | 97.9 | 12.7 |
| T2D (%) | 44.3 | 2.1 | 87.3 |
| HHS at diagnosis (%) | 0.3 | 0.4 | 0.2 |
| DKA at diagnosis (%) | 9.9 | 19.1 | 0.6 |