Characteristics of patients excluded from and included in the study
| CHARACTERISTICS | EXCLUDED PATIENTS (N = 133) | INCLUDED PATIENTS (N = 383) | P VALUE |
|---|---|---|---|
| Female, n (%) | 86 (64.7) | 205 (53.5) | .02 |
| Female-to-male ratio | 1.9 | 1.2 | .02 |
| Mean (SD) age for females, y | 82.3 (5.4) | 80.6 (4.4) | .003 |
| Mean (SD) age for males, y | 81.5 (4.2) | 80.1 (4.2) | .04 |