Table 1. Characteristics of 109 patients by level of office systolic pressure.
| Baseline characteristic |
Office systolic blood pressure |
||
|---|---|---|---|
| <160 mm Hg | 160–179 mm Hg | ⩾180 mm Hg | |
| Number of patients | 35 | 33 | 41 |
| Number (%) with characteristic | |||
| Non-white ethnicity | 2 (5.7) | 0 (0) | 2 (4.9) |
| Women | 10 (28.6) | 11 (33.3) | 30 (73.2)‡ |
| Diabetes mellitus | 9 (25.7) | 11 (33.3) | 8 (19.5) |
| Previous cardiovascular disease | |||
| Coronary heart disease | 7 (20.0) | 10 (30.3) | 8 (19.5) |
| Stroke | 4 (11.4) | 3 (9.1) | 2 (4.9) |
| Mean (s.d.) characteristic | |||
| Age, years | 57.6±10.8 | 60.3±11.1 | 57.1±11.8 |
| Body mass index, kg m−2 | 28.1±4.2 | 30.6±4.5* | 29.7±5.2 |
| Serum creatinine, μmol l−1 | 92.8±30.8 | 92.6±23.2 | 72.0±19.7‡ |
| eGFR, ml min−1 per 1.73 m−2 | 76.5±21.9 | 77.5±22.9 | 90.9±27.1* |
eGFR indicates the glomerular filtration rate estimated from the serum creatinine concentration.13
Significance of the difference with the left adjacent column: *P⩽0.05; ‡P⩽0.001.