Table 1.

Clinical conditions of participants (n = 40)

Parameters	Mean ± standard error
Age, years	60.6 ± 1.8
Female, percentage	65.0
CRP, mg/dL	0.57 ± 0.14
ESR, mm/hr	27.0 ± 3.51
VAS score, mm	40.5 ± 4.9
RF levels, IU/ml	73.9 ± 13.9
ACPA, U/ml	115.0 ± 35.3

Abbreviations: ACPA anti-citrullinated protein antibody, CRP C-reactive protein, ESR erythrocyte sedimentation rate, RF rheumatoid factor, VAS Visual Analogue Scale