Demographics of SLE and RA patients and healthy donors.

<p>Except where otherwise indicated, the values expressed are means ± standard errors of the means (ranges). There were no significant differences between the patients with SLE, the patients with RA, and the healthy donors in terms of their age and sex. SLE, systemic lupus erythematosus; RA, rheumatoid arthritis; SLEDAI-2K, SLE Disease Activity Index 2000; HDs, healthy donors.