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Table 1 Patient Demographics

From: Malignancy validation in a United States registry of rheumatoid arthritis patients

  Total CORRONA Population Total CORRONA Patients Without Malignancy Total CORRONA Patients With Malignancies P-Values
(N = 20,839) (N = 20,438) (N = 401)**
Age (Mean, SD) 57.7 (13.6) 57.6 (13.9) 65.2 (11.0) <.0001
Female Gender (N, %) 15,135 (72.8%) 14,883 (73.0%) 252 (62.8%) <.0001
Race/Ethnicity (N, %)     
 White 17,292 (84.0%) 16,940 (84.0%) 352 (88.7%) 0.0005
 Hispanic 1,291 (6.3%) 1,275 (6.3%) 16 (4.0%)  
 Black 1,248 (6.1%) 1,238 (6.1%) 10 (2.5%)  
 Asian 344 (1.7%) 340 (1.7%) 4 (1.0%)  
 Other 418 (2.0%) 403 (2.0%) 15 (3.8%)  
Seropositivity (N, %) 7,400 (67.7%) 7,224 (67.6%) 176 (70.7%) 0.31
RA Disease Duration at Enrollment in CORRONA (mean years, SD) 9.56 (9.8) 9.49 (9.8) 12.56 (11.3) <.0001
Years of Follow-up After CORRONA Enrollment Until Report of Cancer* (mean, SD) 1.76 (1.6) 1.75 (1.8) 2.26 (1.7) <.0001
  1. * follow-up time censored at the time of the first report of an incident malignancy.
  2. ** 44 patients had multiple malignancies reported, for a total of 461 reported malignancies.