Table 2.
Hypertension and blood pressure of the participants with cognitive normal, MCI, and dementia.
| All (n = 3,327) | Cognitive normal (n = 2,640) | MCI (n = 585) | Dementia (n = 102) | P-Value* | |
|---|---|---|---|---|---|
| History of hypertension, n (%) | 1775 (53.4) | 1350 (51.1) | 347 (59.3) | 78 (76.5) | < 0.0001 |
| Duration of hypertension, year, median (25%, 75%) | 2 (0, 13) | 1 (0, 11) | 4 (0, 17) | 10 (1, 21.5) | < 0.0001 |
| SBP, mmHg, mean ± SD | 145.0 ± 23.1 | 143.7 ± 22.6 | 149.0 ± 23.7 | 157.6 ± 26.1 | < 0.0001 |
| DBP, mmHg, mean ± SD | 77.3 ± 11.7 | 77.5 ± 11.6 | 76.3 ± 12.1 | 78.4 ± 14.0 | 0.0735 |
| Classification of BP, n (%) | < 0.0001 | ||||
| Normal | 1390 (41.8) | 1151 (43.6) | 212 (36.2) | 27 (26.5) | |
| Mild | 1072 (32.2) | 867 (32.9) | 178 (30.4) | 27 (26.5) | |
| Moderate | 608 (18.3) | 447 (16.9) | 135 (23.1) | 26 (25.5) | |
| Severe | 257 (7.7) | 175 (6.6) | 60 (10.3) | 22 (21.5) |
BP, blood pressure; SBP, systolic blood pressure; DBP, diastolic blood pressure; MCI, mild cognitive impairment; SD, standard deviation.
*
P-Value is for the comparison among three groups of participants with cognitive normal, MCI, and dementia.