Table 1.
Demographic and clinical data of healthy subjects and hypertensive patients.
| Healthy subjects (n = 142) |
Hypertensive patients (n = 661) |
P value | |
|---|---|---|---|
| Age (years, means ± SD) | 41.8 ± 8.8 | 58.1 ± 14.9 | 0.0001 |
| Gender (n, %) | |||
| Males | 97 (68.3) | 292 (44.2) | 0.0001 |
| Females | 45 (31.7) | 369 (55.8) | |
| Height (cm, means ± SD) | 172.6 ± 9.2 | 170.8 ± 10.2 | 0.050 |
| Weight (kg, means ± SD) | 84.9 ± 16.5 | 78.6 ± 11.6 | 0.0001 |
| BMI (kg/m2, means ± SD) | 28.4 ± 4.6 | 26.9 ± 2.9 | 0.0001 |
| Antihypertensive treatment (n, %) | 0 (0.0) | 159 (24.1) | 0.0001 |
| Office SBP (mmHg, means ± SD) | 122.5 ± 7.5 | 135.2 ± 11.9 | 0.0001 |
| Office DBP (mmHg, means ± SD) | 78.7 ± 8.0 | 78.5 ± 8.0 | 0.807 |
| 24-hour SBP (mmHg, means ± SD) | 115.3 ± 6.7 | 129.3 ± 11.6 | 0.0001 |
| 24-hour DBP (mmHg, means ± SD) | 71.3 ± 4.9 | 74.3 ± 6.6 | 0.0001 |
| Daytime SBP (mmHg, means ± SD) | 118.3 ± 6.8 | 132.1 ± 11.5 | 0.0001 |
| Daytime DBP (mmHg, means ± SD) | 74.0 ± 4.9 | 76.7 ± 6.8 | 0.0001 |
| Nighttime SBP (mmHg, means ± SD) | 103.1 ± 8.2 | 120.1 ± 15.7 | 0.0001 |
| Nighttime DBP (mmHg, means ± SD) | 60.9 ± 6.2 | 66.3 ± 8.6 | 0.0001 |
BMI: body mass index; SBP: systolic blood pressure; DBP: diastolic blood pressure.
Data are reported as means ± SD or as absolute (n) and relative (%) frequencies. The P values refer to the statistical significance of the difference between the two study groups.