Table. Characteristics of Individuals With Rheumatoid Arthritis in the 2 Health Care Systems Studieda.
| Characteristic | University Hospital Cohort (n = 578) | Safety-Net Hospital Cohort (n = 242) |
|---|---|---|
| Age, mean (SD), y | 57 (15) | 60 (15) |
| Female | 477 (82.5) | 195 (80.6) |
| Race/ethnicity | ||
| White | 296 (51.2) | 30 (12.4) |
| African American | 33 (5.7) | 19 (7.9) |
| Hispanic | 97 (16.8) | 89 (36.8) |
| Asian | 101 (17.5) | 70 (28.9) |
| Other | 51 (8.8) | 34 (14.0) |
| EHR system | Epic | eClinicalWorks |
| Median No. of CDAI scores per patient | 6 | 4 |
| Time between CDAI, median (range), d | 100 | 180 |
| DMARDb | ||
| Conventional synthetic | 534 (92.4) | 191 (78.9) |
| Biologic | 364 (63.0) | 70 (28.9) |
| Tofacitinib | 29 (5.0) | 0 |
Abbreviations: CDAI, clinical disease activity index; DMARD, disease-modifying antirheumatic drug; EHR, electronic health record.
a
Data are presented as number (percentage) of patients unless otherwise indicated.
b
Number of patients prescribed a DMARD at the clinic before their index date. eTable 3 in the Supplement gives the medications considered for each DMARD category.