Table 6.
Patients’ characteristics and disease activity assessment using a randomly selected visit per patient.
| Dutch |
Portuguese |
|||||
|---|---|---|---|---|---|---|
| N | Patient | N | Patient | z | p-Value | |
| Characteristics | ||||||
| Female (%) | 5,870 | 69.5 | 3,185 | 82.1 | <0.0001 | |
| 3,923 | 2,616 | |||||
| Age (years) (mean ± SD) | 5,489 | 62.6 ± 14.7 | 3,180 | 61.7 ± 14.2 | 0.003 | |
| Disease duration (years) (mean ± SD) | 2,278 | 11.8 ± 8.9 | 2,305 | 15.0 ± 10.1 | <0.0001 | |
| Diagnosis duration (years) (mean ± SD) | 2,520 | 10.4 ± 8.7 | 2,397 | 12.8 ± 9.0 | <0.0001 | |
| Disease activity assessment | ||||||
| PGA (mean ± SD) | 4,953 | 35.1 ± 23.7 | 2,134 | 38.5 ± 25.5 | <0.0001 | |
| MDGA (mean ± SD) | 1,939 | 28.3 ± 22.0 | 1,472 | 26.6 ± 21.1 | 0.023 | |
| TJC28 (mean ± SD) | 5,327 | 2.6 ± 4.2 | 2,509 | 3.9 ± 5.8 | <0.0001 | |
| SJC28 (mean ± SD) | 5,272 | 1.6 ± 2.9 | 2,509 | 2.2 ± 3.7 | <0.0001 | |
| ESR (mean ± SD) | 4,874 | 18.9 ± 17.4 | 2,364 | 26.9 ± 22.7 | <0.0001 | |
| CRP (mg/l) (mean ± SD) | 961 | 9.2 ± 15.3 | 2,212 | 12.5 ± 22.7 | <0.0001 | |
| Disease activity scores | ||||||
| DAS28 Remission (%) | 1,804 | 39.68% | 564 | 27.78% | 5.38 | <0.0001 |
| DAS28 Low (%) | 847 | 18.63% | 310 | 15.27% | 1.38 | 0.1688 |
| DAS28 moderate (%) | 1,522 | 33.48% | 790 | 38.92% | −2.57 | 0.0102 |
| DAS28 high (%) | 373 | 8.21% | 366 | 18.03% | −3.99 | 0.0001 |
| CDAI remission (%) | 332 | 18.15% | 205 | 14.25% | 1.21 | 0.2266 |
| CDAI Low (%) | 721 | 39.42% | 555 | 38.57% | 0.31 | 0.757 |
| CDAI moderate (%) | 538 | 29.41% | 439 | 30.51% | −0.37 | 0.711 |
| CDAI high (%) | 238 | 13.01% | 240 | 16.68% | −1.13 | 0.259 |
| SDAI remission (%) | 70 | 13.21% | 190 | 14.21% | −0.21 | 0.8335 |
| SDAI low (%) | 157 | 29.62% | 510 | 38.15% | −2.01 | 0.044 |
| SDAI Moderate (%) | 205 | 38.68% | 440 | 32.91% | 1.42 | 0.1566 |
| SDAI high (%) | 98 | 18.49% | 197 | 14.73% | −3.96 | 0.0001 |
| ACR/European League Against Rheumatism Remission (%) | 77 | 10.03% | 219 | 11.43% | −1.08 | 0.282 |
PGA, patient assessment of disease activity (100 mm); MDGA, Physician assessment of disease activity (100 mm); TJC28, 28 tender joint count; SJC28, 28 swollen joint count; ESR, erythrocyte sedimentation rate (mm/h); CRP, C-reactive protein (mg/l); DAS28, disease activity score evaluating 28 joints; CDAI, clinical disease activity index; SDAI, simplified disease activity index.
Chi-square and t-tests were used as appropriate. Significant p-value < 0.05.