Patient characteristics
| N (SD or %) | |
| Mean age | 55 (14) |
| Male N=576 | 369 (64) |
| Language N=524 | |
| English | 366 (70) |
| Spanish | 96 (18) |
| Cantonese | 29 (6) |
| Other | 33 (6) |
| Race N=575 | |
| White | 126 (22) |
| Black | 158 (27) |
| Asian | 102 (18) |
| Hispanic | 174 (30) |
| Other | 15 (3) |
Demographic data not available for all patients.