Table 1. Patient characteristics.
| 1996 | 1999 | 2004 | |
|---|---|---|---|
| Total number of patients | 251 | 439 | 228 |
| Men | 123 (49%) | 232 (53%) | 109 (48%) |
| Women | 128 (51%) | 207 (47%) | 119 (52%) |
| Age range (years) | 26–82 | 21–89 | 22–90 |
| Mean age (years) | 49 ± 12 | 56 ± 14 | 53 ± 14* |
| Height (m) | 1.62 ± 0.09 | 1.62 ± 0.09 | 1.60 ± 0.09 |
| Weight (kg) | 66.0 ± 12.0 | 67.2 ± 12.3 | 69.5 ± 14.4* |
| Body mass index (kg m−2) | 25.2 ± 3.9 | 25.7 ± 3.9 | 26.9 ± 4.5* |
| Waist circumference (cm) | – | – | 85.8 ± 10.8 |
| Years since diagnosis | 7.6 ± 7.2 | 9.4 ± 8.4 | 10.1 ± 8.9* |
| Taking antihypertensive drug(s) | 93% | 86% | 97%* |
| Gestational hypertension in female patients | 50/128 (39%) | 71/187 (38%) | 36/119 (30%) |
| Hypertension in parent(s) | 72% | 65% | 68% |
| Hypertension in sibling(s) | 42% | 46% | |
| Systolic blood pressure (mmHg) | – | 147.1 ± 21.3 | 143.9 ± 20.6* |
| Diastolic blood pressure (mmHg) | – | 83.7 ± 11.2 | 81.7 ± 10.8* |
Values are shown as mean ± SD.
*
P < 0.05, one-way analysis of variance.