Patient characteristics
| Normal controls | p Value (A) | Premature hypertensive | p Value (B) | Middle aged hypertensive | |
| Male subjects | |||||
| Age (years) | 31.1 (4.0) | 0.07 | 35.5 (10.4) | 0.02 | 46.4 (7.0) |
| Age at presentation (years) | 28.0 (7.1) | < 0.0001 | 42.5 (4.8) | ||
| n | 14 | 34 | 17 | ||
| BMI (kg/m2) | 25.0 (1.2) | 0.2 | 25.6 (3.4) | 0.85 | 25.9 (2.8) |
| Heart rate (beats/min) | 76 (4) | 0.65 | 77 (6) | 0.9 | 77 (19) |
| Systolic BP (clinic) | 124 | < 0.0001 | 158 | 0.004 | 181 |
| Diastolic BP (clinic) | 76 | 0.002 | 98 | 0.03 | 112 |
| Hb (g/dl) | 14.4 (0.5) | 0.92 | 14.4 (0.6) | 0.35 | 14.0 (0.6) |
| Female subjects | |||||
| Age (years) | 30.5 (3.9) | 0.1 | 32.3 (7.5) | < 0.0001 | 51.8 (7.8) |
| Age at presentation (years) | 27.5 (5.6) | < 0.0001 | 48.2 (8.0) | ||
| n | 16 | 26 | 13 | ||
| BMI (kg/m2) | 26.7 (6.2) | 0.7 | 27.3 (5.4) | 0.34 | 30.7 (8.0) |
| Heart rate (beats/min) | 76 (6) | 0.53 | 78 (7) | 0.62 | 79 (4) |
| Systolic BP (clinic) | 118 | 0.003 | 146 | 0.29 | 158 |
| Diastolic BP (clinic) | 78 | 0.0001 | 96 | 0.84 | 96 |
| Hb (g/dl) | 13.7 (1.1) | 0.16 | 13.3 (0.4) | 0.09 | 12.1 (1.7) |
Values are mean (SD).
(A), p value between normal controls and premature hypertensive patients; (B), p value between premature hypertensive and middle aged hypertensive patients.
BMI, body mass index; BP, blood pressure; Hb, haemoglobin.