From: Risk factors associated with cervical spine lesions in patients with rheumatoid arthritis: an observational study
P-value
Odds ratio
95 % CI
RA stage III or IV
< 0.01
4.96
2.00−12.30
Biological agents
0.03
2.46
1.07−5.65
Prednisolone
2.81
1.31−6.00