Table 2.
Baseline Characteristics of Participants with Hypertension in the Indianapolis Ibadan Dementia Project (IIDP) by Antihypertensive Treatment Status
| Variable | Not prescribed antihypertensive | Prescribed antihypertensive | P value | ||
|---|---|---|---|---|---|
| N | No. (%) | N | No. (%) | ||
| Stroke | 420 | 19 (4.5%) | 816 | 51 (6.3%) | 0.24 |
| Heart failure | 420 | 61 (14.5%) | 816 | 271 (33.2%) | <0.001 |
| Chronic renal disease | 420 | 17 (4.0%) | 816 | 65 (8.0%) | 0.007 |
| Coronary artery disease | 420 | 92 (21.9%) | 816 | 266 (32.6%) | <0.001 |
| Diabetes - type 1 or 2 | 420 | 113 (26.9%) | 816 | 342 (41.9%) | <0.001 |
| Atrial fibrillation | 420 | 24 (5.7%) | 816 | 100 (12.3%) | <0.001 |
| Transient ischemic attack | 420 | 13 (3.1%) | 816 | 64 (7.8%) | <0.001 |
| Chronic obstructive pulmonary disease | 420 | 25 (6.0%) | 816 | 71 (8.7%) | 0.09 |
| Cancer | 420 | 114 (27.1%) | 816 | 408 (50.0%) | <0.001 |
| ApoE ε4 carriers | 190 | 69 (36.3%) | 517 | 185 (35.8%) | 0.93 |
| Blood pressure suboptimally treated | 162 | 84 (51.9%) | 678 | 255 (37.6%) | 0.001 |
| Mean years of follow-up | 420 | 3.9 ± 4.3 | 816 | 7.5 ± 4.4 | <0.001 |
| Died* | 420 | 214 (51.0%) | 816 | 363 (44.5%) | 0.035 |
*Died between reaching study endpoint and the end of study (2/25/2010)