Patient characteristics at baseline, that is, start of follow-up
| Patients, total (N) | 48 212 |
| Mean age at onset of DM in years (SD) | 58.3 (15.7) |
| Gender, N (%) | |
| Male | 25 335 (52.5) |
| Female | 22 877 (47.5) |
| Type of diabetes mellitus, N (%) | |
| Type 1 | 3131 (6.5) |
| Type 2 | 42 312 (87.8) |
| Unspecified | 2769 (5.7) |
DM, diabetes mellitus.