|
Variables
|
Univariate analysis
|
Multiple regression analysis
|
|---|
|
OR
|
95% CI
|
OR
|
95% CI
|
|---|
|
Age > 40
|
4.09*
|
1.56–10.73
|
4.31*
|
1.43–13.01
|
|
Female gender
|
0.55
|
0.22–1.33
|
N/A
|
N/A
|
|
History of smoking
|
0.94
|
0.29–3.03
|
N/A
|
N/A
|
|
BMI > 23 kg/m2
|
8.51*
|
3.03–23.89
|
9.09*
|
3.13–26.36
|
|
Disease duration > 10 years
|
0.88
|
0.54–1.44
|
N/A
|
N/A
|
|
No. of SynAnk
|
1.04**
|
0.99–1.09
|
1.0
|
0.94–1.06
|
|
ASDAS-CRP > 2.1
|
0.57
|
0.23–1.45
|
N/A
|
N/A
|
- *Indicates a p-value < 0.05; **Indicates a p-value from 0.05 to < 0.2
- Abbreviations: OR Odds ratio; CI Confidence interval; BMI Body mass index; SynAnk Syndesmophyte or ankylosis; ASDAS-CRP Ankylosing Spondylitis Disease Activity - C-reactive protein; N/A Not applicable
