|
Factors
|
Univariate analysis
|
Multiple regression analysis
|
|---|
|
OR
|
95% CI
|
OR
|
95% CI
|
|---|
|
Age > 40 years
|
5.41*
|
2.12–13.85
|
2.98
|
0.93–9.50
|
|
Female gender
|
2.33*
|
1.24–4.38
|
3.85*
|
1.45–10.22
|
|
History of smoking
|
0.42*
|
0.18–0.96
|
0.54
|
0.16–1.83
|
|
BMI > 23 kg/m2
|
4.04*
|
1.92–8.48
|
3.67*
|
1.40–9.60
|
|
Disease duration ≥10 years
|
1.63
|
0.74–3.61
|
1.64
|
0.57–4.74
|
|
No. of SynAnk
|
1.12*
|
1.05–1.19
|
1.14*
|
1.05–1.23
|
|
cDAPSA > 13
|
0.69
|
0.33–1.46
|
N/A
|
N/A
|
|
DAPSA > 14
|
0.62
|
0.29–1.35
|
0.42
|
0.16–1.10
|
|
ASDAS-CRP > 2.1
|
0.61**
|
0.3–1.24
|
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; cDAPSA Clinical Disease Activity Index for Psoriatic Arthritis; DAPSA Disease Activity Index for Psoriatic Arthritis; ASDAS-CRP Ankylosing Spondylitis Disease Activity – C-reactive protein; N/A Not applicable