Table 1. Characteristics of RA samples.

Demographics	Active RA (n=20)	Healthy (n=20)
Age (years), mean (range)	53 (26–77)	49.1 (21–78)
Sex, female/male	18/2	17/3
Disease duration (years), mean (range)	11 (2–23)	–
RF, positive/negative	15/5*	–
ESR (mm/h), mean (range)	65.23 (28–112)*	7.5 (6–17)
CRP (mg/l), mean (range)	69.62 (31–148)*	2.8 (1–8)
Mean DAS28	5.91 (4.3–7.1)*	–

Abbreviations: RF, rheumatoid factor; ESR, erythrocyte sedimentation rate; CRP, C-reactive protein; DAS28, disease activity score in 28 joints;

^*P<0.05 represented the relationship between miR-128 expression and the clinical characters.