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Demographic and disease-related characteristics of the cohorts.
| Patients (N = 1830) |
Controls (N = 12,765) |
|
|---|---|---|
| Sex | ||
| Female, % | 1279 (69.9%) | 8915 (69.8%) |
| Male, % | 551 (30.1%) | 3850 (30.2%) |
| Age at index date (years) | ||
| Mean (SD) | 40 (13) | 40 (13) |
| Median (Q1, Q3) | 38 (30, 48) | 38 (30, 48) |
| Age at MS onset (years) | ||
| Mean (SD) | 34 (11) | N.a. |
| Median (Q1, Q3) | 33 (27, 41) | N.a. |
| Missing, % | 474 (25.9%) | N.a. |
N.a.: not applicable; Q: quartile.
