Proinflammatory Soluble Interleukin-15 Receptor Alpha Is Increased in Rheumatoid Arthritis

Table 1

Patient demographics.

	RA (𝑛=18)	OA (𝑛=17)
Sex (M/F)	4/14	9/8
Age (years)	49±14.19	64±9.8
Disease duration (years)	13±11	10±2.6
Rheumatoid factor (±)	6/12	—
DAS28	4.37±1.23	—
DMARD (MTX)	16	—

Demographics showing age, sex, and duration of disease, where available;
RF: rheumatoid factor status; DAS28: disease activity score; DMARD: disease-modifying antirheumatic drug.