Table 1. Baseline characteristics of patients whose data were used in the efficacy analysis (n=21 341).
| No. of patients (%) or mean±s.d. | |
|---|---|
| Women | 10 784 (50.5) |
| Age (years) | 64.8±11.9 |
| Body mass index (kg m−2) | 24.31±3.70 |
| Disease history | |
| Cerebral or cardiovascular disease | 2242 (10.5) |
| Cerebrovascular disease | 1416 (6.6) |
| Cardiovascular disease | 966 (4.5) |
| Previous antihypertensive agents | 10 732 (50.3) |
| Calcium channel blocker | 7690 (36.0) |
| Angiotensin II receptor blocker | 4535 (21.3) |
| β-Blocker | 1336 (6.3) |
| Diuretic | 1230 (5.8) |
| Angiotensin-converting enzyme inhibitor | 780 (3.7) |
| α-Blocker | 454 (2.1) |
| Other | 90 (0.4) |
| Complications | |
| Dyslipidemia | 9484 (44.4) |
| Diabetes mellitus | 4364 (20.4) |
| Cardiac disease | 1983 (9.3) |
| Chronic kidney disease | 4284 (20.1) |
| Morning home BP measurements | |
| Systolic BP (mm Hg) (the first time) | 151.6±16.4 |
| Diastolic BP (mm Hg) (the first time) | 87.1±11.8 |
| Pulse rate (beats min−1) (the first time) | 70.8±10.0 |
| Timing of morning home BP measurement | |
| Before taking antihypertensive agents | 19 497 (91.4) |
| After taking antihypertensive agents | 535 (2.5) |
| Unknown | 1309 (6.1) |
| Clinic measurements | |
| Systolic BP (mm Hg) | 153.6±19.0 |
| Diastolic BP (mm Hg) | 87.1±13.4 |
| Pulse rate (beats min−1) | 74.1±11.2 |
Abbreviation: BP, blood pressure.