Radiographic outcomes in psoriatic arthritis (PsA) and rheumatoid arthritis (RA) in unmatched and matched cohorts for age, gender, and duration of disease. Values are percentages.
| Outcomes | Unmatched Cohorts | Matched Cohorts | ||||
|---|---|---|---|---|---|---|
| PsA | RA | p | PsA | RA | p | |
| Presence of erosions | 37.7 (n = 1574) | 49.2 (n = 11,582) | < 0.001 | 37.6 (n = 1520) | 47.4 (n = 1520) | < 0.001 |
| Presence of radiographic deformity | 21.8 (n = 1532) | 26.8 (n = 11,199) | < 0.001 | 21.6 (n = 1476) | 25.2 (n = 1474) | 0.021 |