aResults are expressed as the . bResults are expressed as the median and 25th and 75th percentiles. The independent-samples -test was used for analysis of quantitative variables with normal distributions. Wilcoxon’s rank sum test was used for analysis of quantitative variables with a nonnormal distribution. Abbreviations: RA: rheumatoid arthritis; BMI: body mass index; ESR: erythrocyte sedimentation rate; CRP: C-reaction protein; VAS: visual analogue scale; WBC: white blood cells; Hb: hemoglobin; PLT: platelets; LY: lymphocytes; RF: rheumatoid factor; Anti-CCP: anticyclic citrullinated peptide antibodies; MTX: methotrexate; LEF: leflunomide; HCQ: hydroxychloroquine; CS: corticosteroid; NSAID: nonsteroidal anti-inflammatory drug.