Table 3 Multivariable analysis of factors associated with relapse during pregnancy, in 43 patients with rheumatoid arthritis and 71 patients with spondyloarthritis

Patients with rheumatoid arthritis (n = 43)

OR

95%CI

p

Age at conception

1.06

0.92; 1.23

0.43

Nulliparity

6.50

1.11; 37.9

0.04

Disease flare in the 12 months prior to conception

8.19

1.57; 42.7

0.01

Patients with spondyloarthritis (n = 71)

OR

95%CI

p

Age at conception

1.05

0.93; 1.19

0.46

History of bDMARDs use

5.41

1.07; 27.3

0.04

HLA-B27 positive

1.01

0.37; 2.76

0.99