Table 3.
Population Demographics
| Combined (n = 2181) | Whites (n = 1928) | Blacks (n = 253) | |
|---|---|---|---|
| Weekly Warfarin Dose, mg/wk (median, sd) | 35.0 (±17.6) | 35.0 (±17.0) | 40.8 (± 19.9) |
| Age, years (mean, sd) | 66 (± 15) | 66 (± 15) | 60 (± 16) |
| Female (n, %) | 911 (41.8%) | 784 (40.7%) | 127 (50.2%) |
| African American (n, %) | 253 (11.6%) | - | - |
| % African Ancestry (median, sd)1 | 0.99 (± 31) | 0.65 (± 4.5) | 81.6 (± 10.3) |
| Height, cm (median, sd) | 173 (± 13.5) | 174 (±13.0) | 170 (±16.1) |
| Weight, kg (median, sd) | 89 (± 24.0) | 88 (± 23.9) | 91 (±24.7) |
| Body Surface Area, m2 (median, sd) | 2.0 (± 0.29) | 2.0 (± 0.29) | 2.0 (± 0.30) |
| Current Smokers (n, %) | 209 (9.6%) | 168 (8.7%) | 41 (16.2%) |
| Amiodarone (n, %) | 229 (10.5%) | 202 (10.5%) | 27 (10.7%) |
| Enzyme Inducers (n, %) | 20 (0.92%) | 15 (0.78%) | 5 (1.98%) |
| Indication | |||
| VTE (n, %) | 414 (19.0%) | 337 (17.5%) | 77 (30.4%) |
| Atrial Fibrillation (n, %) | 1592 (73%) | 1443 (75%) | 149 (59%) |
1
%-African ancestry available for 987 individuals (808 whites, 179 blacks)