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Table 1 Clinical characteristics of patients with rheumatoid arthritis

From: Serum biomarker panel for the diagnosis of rheumatoid arthritis

Characteristic Healthy controls Patients with RA
Discovery set
n 43 50
 Sex (male/female) 18/25 11/39
 Age 56.74 ± 4.34 65.54 ± 8.91
 DAS 28 2.61 ± 1.12
 RF 76.96 ± 72.09
 Anti-CCP 102.22 ± 109.81
Validation set
n 251 230
 Sex (male/female) 145/106 33/197
 Age 53.87 ± 6.75 61.74 ± 10.80
 DAS 28 2.58 ± 1.10
 RF 90.36 ± 158.77
 Anti-CCP 102.11 ± 108.04