Table 1.
Demographic and clinical characteristics of the sample
| Variable | Normotensive (n = 14) | Prehypertensive (n = 11) | p |
|---|---|---|---|
| Male gender n (%) | 5 (35,7) | 6 (54,5) | 0,43a |
| Children of both hypertensive parents n (%) | 4 (28,6) | 5 (45,5) | 0,43a |
| Age (years) | 30 ± 6 | 29 ± 4 | 0,57b |
| BMI (kg/m2) | 24 ± 4 | 25 ± 3 | 0,28b |
| Waist circumference (cm) | 79 ± 11 | 82 ± 9 | 0,51b |
| Glycemia (mg/dl) | 83 [80-93] | 89 [83-93] | 0,23c |
| Total Cholesterol (mg/dl) | 177,9 ± 39,6 | 187,3 ± 29,7 | 0,53b |
| Triglycerides (mg/dl) | 91,5 [57,9-131] | 103,5 [63-148] | 0,60c |
| SBP (mmHg) | 116 [105-119] | 128 [124-132] | < 0.01c |
| DBP (mmHg) | 67 [60-71] | 75 [71-75] | < 0.01c |
| Cardiac index (L/min/m2) | 3,3 ± 0,3 | 3,7 ± 0,6 | 0,05b |
| Total peripheral resistance (mmHg/L) | 15,0 [13,8-16,0] | 13,8 [12,4-15,7] | 0,15c |
| Cardiac contractility index (mmHg/s) | 1113 ± 195 | 1340 ± 167 | < 0,01b |
| Heart rate (bpm) | 67 [ 63-69] | 63 [ 62-76] | 0,70c |
| Respiratory rate (ipm) | 17 ± 2 | 17 ± 4 | 1,00b |
Data presented as mean ± standard deviation of mean or median [interquartile range]; absolute value and percentage for males;
a
Fisher's exact test;
b
Unpaired Student t test;
c
Mann-Whitney U-test; BMI: body mass index; SBP: systolic blood pressure; DBP: diastolic blood pressure.