Table 1 Characteristics of group I and group II patients with RA.

Mann-Whitney U testing for difference between groups except prior DMARD use, which was compared by χ2 for equality in proportions. Significance at P < 0.05.

Group I
(n = 18)
Group II
(n = 25)
P value
Age (years ± SD)55 ± 14.750 ± 11.70.55
Disease
duration
(years ± SD)
3 ± 7.22 ± 6.90.45
Prior DMARD
use*
(number of
patients)
990.36
RF titer ± SD387 ± 397.4268 ± 307.80.35
Anti-CCP
antibody
titer ± SD
142 ± 86.5178 ± 88.10.36

*Includes conventional oral DMARDs and biologics/small-molecule inhibitors with the exception of the anti-CD20+ B cell–depleting biologic rituximab.