Baseline characteristics and capillaroscopic data of 21 normotensive subjects with a parental history of essential hypertension and 21 healthy normotensive controls with no family history of hypertension
| Parental history (n=21) | No parental history (n=21) | |
|---|---|---|
| Values are mean (SEM). | ||
| *p<0.01; **p<0.001 by analysis of variance. | ||
| PCV, packed cell volume. | ||
| Age (years) | 39.3 (2.8) | 46.3 (2.1) |
| Weight (kg) | 78.4 (3.9) | 77.1 (2.6) |
| Height (cm) | 171.7 (2.2) | 173.0 (1.9) |
| BMI (kg/m2) | 26.5 (1.2) | 25.7 (0.7) |
| Blood pressure (mm Hg) | ||
| Supine | 124/79 (3/2) | 124/78 (2/1) |
| Standing | 127/83 (3/2) | 121/81 (2/1) |
| Pulse rate (beats/min) | ||
| Supine | 70 (4) | 69 (2) |
| Standing | 75 (3) | 74 (2) |
| Haematology | ||
| Haemoglobin (g/dl) | 14.5 (0.3) | 14.3 (0.2) |
| PCV | 0.421 (0.01) | 0.421 (0.01) |
| Platelets | 225 (11.4) | 222 (13) |
| Biochemistry | ||
| Sodium (mmol/l) | 139 (0.4) | 140 (0.4) |
| Potassium (mmol/l) | 4.4 (0.08) | 4.1 (0.05) |
| Urea (mmol/l) | 4.6 (0.3) | 5.1 (0.3) |
| Creatinine (μmol/l) | 74.7 (3.6) | 88.7 (2.5) |
| Glucose (mmol/l) | 5.1 (0.1) | 5.0 (0.1) |
| Cholesterol (mmol/l) | 5.2 (0.2) | 5.2 (0.1) |
| Triglycerides (mmol/l) | 1.3 (0.1) | 1.0 (0.2) |
| Mean capillary density/field (0.68 mm2) | ||
| At baseline | 67 (2)* | 79 (4) |
| With venous congestion | 74 (2)** | 93 (4) |