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. 2018 Mar 29;13(3):e0194531. doi: 10.1371/journal.pone.0194531

Table 2. Demographic and health related data of the participants (n = 50).

Characteristics Values
Sex, n (%) female 38 (76)
male 12 (24)
Age, in years mean ±SD 56 ± 14
range 21–82
BMI, in kg/cm2 mean ±SD 26 ± 5
Diagnosis, n (%) DM 22 (44)
PM 17 (34)
Associated 11 (22)
Disease stage, n (%) Acute
(0–3 weeks after an active disease stage)
9 (18)
Subacute
(between 3 and 12 weeks after an active disease stage)
9 (18)
Chronic
(more 12 weeks after an active disease stage)
32 (64)
Time since diagnosis (months) mean ±SD 36 ± 18
range 0.25–240

n: number, SD: standard deviation, DM: Dermatomyositits, PM: Polymyositis