Table 3
Comparison of anti-CCP and RF reactivity
Patients with RA No (%)
Other patients No (%)
*RF analysis performed on 214 of 249 samples.
CCP (+)
(n=68)
(n=14)
RF +
58 (85)
10/11* (91)
RF −
10 (15)
1/11* (9)
CCP (−)
(n=35)
(n=132)
RF +
15/34* (44)
12/101* (12)
RF −
19/34* (56)
89/101* (88)