TABLE 2.
Study Demographics and Characteristics at the Three Institutions
| Parameter | Institution A | Institution B | Institution C | Totals |
|---|---|---|---|---|
| No. of patients | 280 | 300 | 837 | 1417 |
| Average age (y) (SD) | 55.9 (6.6) | 56.9 (9.4) | 56.9 (7.4) | 56.7 (7.8) |
| Female (%)a | 119 (42.5) | 131 (43.7) | 462 (55.2) | 712 (50.2) |
| Racea | ||||
| White (%) | 241 (86.1) | 210 (70.0) | 786 (93.9) | 1237 (87.3) |
| Black or African American (%) | 26 (9.3) | 56 (18.7) | 17 (2.0) | 99 (7.0) |
| Hispanic (%) | 3 (1.1) | 14 (4.7) | 11 (1.3) | 28 (2.0) |
| Asian (%) | 7 (2.5) | 15 (5.0) | 12 (1.4) | 34 (2.4) |
| Other (%) | 2 (0.7) | 2 (0.7) | 5 (0.6) | 9 (0.6) |
| No response given (%) | 1 (0.4) | 3 (1.0) | 6 (0.7) | 10 (0.7) |
a
Chi-square test, p < 0.0001.