Table 1.

General information of patients and health controls recruited for ELISA in this study.

General information	HC (n = 20)	OA (n = 25)	RA (n = 49)
Gender (male/female)	8/12	7/18	11/38
Age (y/o)	45.87 ± 11.35	55.48 ± 9.69	50.87 ± 9.35
Disease course (years)	/	6.41 ± 8.88	7.27 ± 5.11
ESR (mm/h)	/	34.7 ± 24.88	56.12 ± 40.36∗
CRP (mg/L)	/	2.21 ± 2.76	12.16 ± 20.36∗

HC: health controls; RA: rheumatoid arthritis; OA: osteoarthritis; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein. ^∗p < 0.05.