From: Serum IL-33 level is associated with auto-antibodies but not with clinical response to biologic agents in rheumatoid arthritis
Auto-antibody status
Number of patients
OR
95% CI
RF+ and/or anti-CCP+ vs RF− and anti-CCP−
262
21.1
2.8-158.3
RF+ vs RF−
263
9.7
3.7-25.3
Anti-CCP+ vs anti-CCP−
255
2.7
1.3- 5.7