Table 2.
Clinical characteristics of the 808 study patients
| Characteristic | Patients, No. (%) | P Value | |
|---|---|---|---|
| Without AD, n=412 | With AD, n=396 | ||
| COPD | 86 (20.9) | 102 (25.8) | 0.11 |
| Dementia | 30 (7.3) | 53 (13.4) | <0.01 |
| DM | 206 (50.0) | 209 (52.8) | 0.44 |
| CAD | 186 (45.1) | 220 (55.6) | 0.003 |
| CHF | 94 (22.8) | 228 (57.6) | 0.001 |
| Stroke | 43 (10.4) | 68 (17.2) | <0.01 |
| Cancer | 93 (22.6) | 82 (20.7) | 0.55 |
AD, advanced directive; COPD, chronic obstructive pulmonary disease; DM, diabetes mellitus; CAD, coronary artery disease; CHF, congestive heart failure.