Table 2.
Characteristics of Patients Enrolled or Withdrawn after Consenting
| Enrolled Patients N = 95 | Withdrawn Patients N = 39 | P-value* | |
| Patient Characteristics | |||
| Age (year) | |||
| Mean (SD) | 70.0 (9.7) | 69.8 (9.4) | 0.89 |
| Race | |||
| White | 86% | 82% | 0.65 |
| No-white (mainly African American) | 14% | 18% | |
| Cardiac Systolic Function | |||
| LVEF (%) | |||
| Mean (SD) | 31.2 (7.1) | 31.5 (6.7) | 0.78 |
| CHF Medication | |||
| ACE-Inhibitors | 82% | 81% | 0.85 |
| β-Blockers | 78% | 70% | 0.33 |
| Distance between Residence and Study Site (Mile) | |||
| Mean (SD) | 23.3 (23.6) | 17.5 (13.7) | 0.09 |
*: P-value of statistical tests of t-test or chi-square test, comparing patients enrolled vs. withdrawn after consenting.