Research Article
Immunodiagnostic Significance of Anti-RA33 Autoantibodies in Saudi Patients with Rheumatoid Arthritis
Table 1
Demographic characteristics of the study population.
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Variables | Mean (SD) or frequency (%) | RA patients () | Non-RA patients () | Healthy controls () |
| Age (years) | 46 14.5 | 44 17.6 | 27.6 6.7 | Sex | | | | Female | 33 80.5 | 23 74.2 | 3 10.3 | Male | 8 19.5 | 8 25.8 | 26 89.6 |
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