Cohort 1 | Cohort 2 | |
---|---|---|
Inclusion in the registry | 1994–1998 | 2004–2008 |
N | 467 | 376 |
Sex, female (%) | 88 | 87 |
Mean age at first documentation, years (±SD) | 41.3±13.9 | 42.6±14.6 |
Disease duration ≤5 years at first documentation, n (%) | 203 (44) | 138 (37) |
Disease activity at first documentation*, NRS 0–10 (%) | ||
Low (0–3) | 65 | 72 |
Moderate (4–6) | 27 | 25 |
High (7–10) | 9 | 3 |
Disease severity at first documentation* (%) | ||
Asymptomatic/low | 47 | 40 |
Moderate | 41 | 48 |
Severe | 12 | 12 |
*The disease activity and severity was assessed by the physician.
NRS, numerical rating scale.