Variable | Patients with Rheumatoid Arthritis | p-value* | |||
---|---|---|---|---|---|
Non-CHP group (n = 4889) | CHP group (n = 4889) | ||||
n | % | n | % | ||
Sex | 0.99 | ||||
Women | 4226 | 86.44 | 4226 | 86.44 | |
Men | 663 | 13.56 | 663 | 13.56 | |
Age group | 0.99 | ||||
18–39 | 1260 | 25.77 | 1260 | 25.77 | |
40–59 | 2948 | 60.3 | 2948 | 60.3 | |
≥ 60 | 681 | 13.93 | 681 | 13.93 | |
Mean ± SD (years)a | 47.51 (11.55) | 47.43 (11.56) | 0.3695 | ||
Baseline Comorbidity | |||||
Diabetes mellitus | 455 | 9.31 | 404 | 8.26 | 0.0685 |
Hypertension | 1165 | 23.83 | 984 | 20.13 | <.0001 |
Hyperlipidemia | 606 | 12.4 | 622 | 12.72 | 0.6254 |
COPD | 742 | 15.18 | 897 | 18.35 | <.0001 |
ESRD | 59 | 1.21 | 41 | 0.84 | 0.0704 |
Drug used | |||||
NSAID | 4863 | 99.47 | 4876 | 99.73 | 0.037 |
Corticosteroid | 226 | 4.62 | 246 | 5.03 | 0.3454 |
DMARD | 4585 | 93.78 | 4780 | 97.77 | <.0001 |
TNF-antagonists | 713 | 14.58 | 1161 | 23.75 | <.0001 |
Duration between diagnosed date and index, years (mean, median)a | 2.58 (1.67) | 2.53 (1.63) | 0.3905 |