Conditional logistic regression analyses of variables associated with diffuse idiopathic skeletal hyperostosis (DISH).
| Univariate Model | Multivariate Model | |||||
|---|---|---|---|---|---|---|
| Full Model | Reduced Model* | |||||
| Covariate | OR (95% CI) | p | OR (95% CI) | p | OR (95% CI) | p |
| Age (1 yr increase) | 1.12 (1.08, 1.15) | < 0.0001 | 1.13 (1.07, 1.19) | < 0.0001 | 1.12 (1.07, 1.18) | < 0.0001 |
| Duration of psoriatic arthritis (1 yr increase) | 1.02 (0.996, 1.05) | 0.10 | 0.98 (0.94, 1.02) | 0.36 | — | — |
| Body mass index (1 unit increase) | 1.13 (1.06, 1.20) | 0.0001 | 1.18 (1.09, 1.28) | < 0.0001 | 1.19 (1.10, 1.29) | < 0.0001 |
| Diabetes (Yes vs No) | 3.47 (1.78, 6.76) | 0.0003 | 1.56 (0.56, 4.36) | 0.39 | — | — |
| Radiographic damage (Yes vs No) | 2.58 (1.32, 5.05) | 0.0006 | 5.20 (1.36, 19.88) | 0.02 | 3.44 (1.06, 11.16) | 0.04 |
↵* Stepwise regression analysis.