From: Infliximab therapy in rheumatoid arthritis and ankylosing spondylitis-induced specific antinuclear and antiphospholipid autoantibodies without autoimmune clinical manifestations: a two-year prospective study
Number of positive sera
ANA
Anti-dsDNA autoantibodies
Infliximab RA (n = 24)
n 0
9
1
n i12
12
10
n i24
13
n t
22
14
Infliximab AS (n = 15)
2
8
3
11
4
6
Control RA (n = 30)
5
0