Table 2.
Patient Demographic and Clinical Characteristics
| Characteristics | Overall sample (N = 525) |
|---|---|
| Age, mean (SD), yrs | 56.1 (13.5) |
| Male, N (%) | 304 (57.9) |
| US region | |
| East, N (%) | 145 (27.6) |
| Midwest, N (%) | 131 (25.0) |
| South, N (%) | 216 (41.1) |
| West, N (%) | 33 (6.3) |
| Charlson Comorbidity Index, mean (SD) | 1.4 (1.8) |
SD indicates standard deviation.