| Variable | Category | Ancestry | p-value | |||
| European (n = 155) | African (n = 34) | Mixed ancestry (n = 76) | Asian (n = 1) | |||
| Sex | Male | 86 (59.70%) | 14 (9.70%) | 43 (29.90%) | 1 (0.70%) | 0.306(1) |
| Female | 69 (56.60%) | 20 (16.40%) | 33 (27.00%) | 0 (0.00%) | ||
| Age | Mean (± SD) | 61.32 (17.81) | 62.06 (15.18) | 58.50 (17.85) | 42.00 (-) | 0.440(2) |
| Minimum | 22 | 20 | 21 | 42 | ||
| Maximum | 97 | 97 | 100 | 42 | ||