Table 1.

Clinical, laboratory and treatment features of enrolled patients with Rheumatoid Arthritis. Results are shown as median (IQR), if not otherwise specified. Abbreviations: ABA: abatacept; ACPA: anti-citrullinated peptides antibodies; BMI: body mass index; b/ts: biological/target synthetic; disease modifying anti-rheumatic drugs; HAQ: health assessment questionnaire; HCQ: hydroxychloroquine; IL: interleukin; LEF: leflunomide; MTX: methotrexate; n.v.: normal value; RF: rheumatoid factor; RTX: rituximab; SSZ: sulfasalazine.