Table 4.
Chi-square tests of independence
| Response | Psoriatic arthritis not in remission | Psoriatic arthritis in remission | p value |
|---|---|---|---|
| Disease diagnosed | |||
| Psoriatic arthritis without skin involvement | 51 (82.3%) | 11 (17.7%) | p = 0.431 |
| Psoriatic arthritis and psoriasis | 470 (90.2%) | 133 (22.4%) | |
| PsAID-9 score | |||
| PsAID-9 > 4 | 375 (95.9%) | 20 (5.1%) | p < 0.001 |
| PsAID-9 ≤ 4 | 128 (52.2%) | 117 (47.8%) | |
| Biologic use | |||
| Not biologic user | 159 (82.4%) | 34 (17.6%) | p = 0.108 |
| Biologic user | 349 (76.7%) | 106 (23.3%) | |
| Race* | |||
| Non-white | 45 (67.2%) | 22 (32.8%) | p < 0.05 |
| White | 465 (79.3%) | 121 (10.6%) | |
| Biologic sex | |||
| Female | 330 (80.5%) | 80 (19.5%) | p = 0.096 |
| Male | 189 (75.0%) | 63 (25.0%) | |
| Obese or overweight** | |||
| Normal or underweight | 102 (68.5%) | 47 (31.5%) | p = 0.001 |
| Obese or overweight | 383 (78.1%) | 89 (18.9%) | |
| Psoriasis in remission*** | |||
| No | 137 (90.1%) | 15 (9.9%) | p < 0.001 |
| Yes | 123 (59.4%) | 84 (40.6%) | |
| Currently using therapies to treat psoriatic arthritis | |||
| Yes | – | 102 (76.7%) | p = 0.378 |
| No | – | 31 (23.3%) | |
| Number of therapies** | |||
| Only one therapy | 161 (73.5%) | 58 (26.5%) | p < 0.05 |
| More than one therapy | 299 (81.9%) | 66 (18.1%) | |
| Number of comorbidities | |||
| None | 39 (7.6%) | 13 (9.4%) | p < 0.05 |
| 1 | 55 (10.7%) | 27 (19.6%) | |
| 2 | 73 (14.2%) | 28 (20.3%) | |
| 3 | 89 (17.3%) | 18 (13.0%) | |
| 4 | 79 (15.4%) | 20 (14.5%) | |
| 5 | 58 (11.3%) | 10 (7.3%) | |
| 6 or more | 121 (23.5% | 22 (15.9%) | |