Multivariate logistic regression for psoriatic arthritis (PsA) vs rheumatoid arthritis (RA) in 1470 matched cohorts (2940 total patients).
| Outcomes | OR | Confidence Limits | Probability chi-square | ||
|---|---|---|---|---|---|
| Erosions | 0.609 | 0.511 | 0.725 | < 0.001 | |
| Radiographic deformity | 1.192 | 0.967 | 1.469 | 0.101 | |