Parameter
|
Included
|
Excluded
|
---|
N = 340
|
N = 73
|
---|
Female, n (%)
|
236 (69.4)
|
54 (74.0)
|
Age at diagnosis, years
|
7.4 (4.5, 10.5)
|
7.3 (4.1, 11.1)
|
Disease duration at diagnosis, years
|
0.3 (0.2, 0.6)
|
0.3 (0.2, 1.0)
|
Time after diagnosis at enrollment, years
|
0.2 (0.1, 1.1)
|
2.3 (0.4, 5.4)
|
Duration of follow up, years
|
4.1 (1.6, 7.1)
|
1.2 (0.1, 2.6)
|
Disease activity at enrollment:
|
CK, U/L
|
103 (64, 440)
|
98 (45, 256)
|
CMAS, points
|
41 (21, 50)
|
46 (37, 52)
|
MMT8, points
|
65 (45, 80)
|
80 (64, 80)
|
PGA, cm
|
3 (1.3, 6.0)
|
2.3 (0.5, 4.0)
|
- Values are the median (1st quartile, 3rd quartile), except where indicated otherwise
- Abbreviations: CK creatine kinase, cm centimeter, CMAS childhood myositis assessment scale, MMT8 manual muscle testing of 8 muscle groups, PGA physician’s global assessment of disease activity, U/L units per liter