Table 1 General characteristics of the studied population of RA patients
Population characteristics | Results | N* |
|---|---|---|
Female sex | 89.4% (n = 945) | 1057 |
Race, White | 56.5% (n = 597) | 1057 |
Positive rheumatoid factor | 78.2% (n = 813) | 1039 |
Corticosteroid use | 47.3% (n = 500) | 1057 |
Biological DMARD use | 35.5% (n = 375) | 1057 |
Disease activity levels** | 886 | |
Remission | 38.4% (n = 340) | |
Low | 15.3% (n = 136) | |
Moderate | 34.7% (n = 307) | |
High | 11.6% (n = 103) | |
Age in years, mean (SD) | 56.9 (11.5) | 1057 |
Years of schooling, mean (SD) | 8.1 (4.3) | 1021 |
Disease duration, mean (SD)*** | 173.1 (114.5) | 1056 |
Delay to diagnosis, median [IQR]*** | 12 [6–36] | 1024 |
Delay to first DMARD, median [IQR]*** | 12 [6–36] | 944 |
HAQ-DI score, median [IQR] | 0.875 [0.250–1.500] | 1053 |
DAS28-CRP score, mean (SD) | 3.27 (1.37) | 886 |