Factors associated with statin usage based on a univariable longitudinal analysis
| Variable | OR | 95% CI | P-value |
|---|---|---|---|
| Male gender | 2.7 | (1.4,5.4) | 0.004 |
| White | 3.8 | (1.7,8.6) | 0.001 |
| Marital status: married | 3.3 | (1.9, 6.0) | <0.001 |
| Disease duration >20 years | 15.8 | (8.6, 28.7) | <0.001 |
| Age >40 years | 5.5 | (2.3,13.3) | <0.001 |
| History of hip involvement | 0.4 | (0.3, 0.8) | 0.004 |
| History of cardiovascular comorbidity | 13.7 | (7.7,24.4) | <0.001 |
| History of diabetes | 4.7 | (1.4,15.4) | 0.01 |
| History of smoking | 2.2 | (1.2,3.8) | 0.01 |
| History of hypertension | 9.9 | (5.4,17.4) | <0.001 |
| Concomitant use of NSAID's | 0.4 | (0.2,0.8) | 0.01 |
| Concomitant use of TNF-blockers | 1.0 | (0.6,1.5) | 0.96 |
| Radiographic severity (mSASSS >4) | 3.8 | (2.1,6.7) | <0.001 |
| Radiographic severity (BASRI >6) | 2.6 | (1.6,4.4) | 0.001 |
| Impaired functionality (BASFI >4) | 1.6 | (1.1,2.5) | 0.03 |
| Disease activity (BASDAI >4) | 0.6 | (0.3,0.9) | 0.04 |
| Elevated CRP | 0.7 | (0.5,0.9) | 0.03 |
| Elevated ESR | 1.1 | (0.7,1.5) | 0.76 |