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 |