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Table 1 Characteristics of patients with rheumatoid arthritis

From: Presence of the full-length KIR2DS4 gene reduces the chance of rheumatoid arthritis patients to respond to methotrexate treatment

Groups Number of cases Age Disease duration Age at onset
  (females/males) (mean ± SD, range) (mean ± SD, range) (mean ± SD, range)
All cases 312 (253/59) 58.0 ± 12.7, 23-90 10.0 ± 8.8, 1-50 48.0 ± 13.1, 10-80
Good responders 179 (143/36) 59.4 ± 12.4, 23-84 9.0. ± 7.3, 1-37 50.4 ± 12.3, 19-77
Poor responders 133 (110/23) 56.1 ± 12.9, 24-90 11.3 ± 10.0, 1-50 44.9 ± 13.5, 10-80