TABLE 1.
Volunteer characteristics in salt-resistant and salt-sensitive subjects at screening
| Salt-resistant (N=17) | Salt-sensitive (N=14) | |
|---|---|---|
| Age (years) | 45.7 ± 11.4 | 42.1 ± 11.8 |
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| Gender (male: female) | 6 : 11 | 9 : 5 |
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| Race (white: black) | 12 : 5 | 9 : 5 |
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| Body mass index (kg/m2) | 29.3 ± 4.8 | 29.9 ± 6.6 |
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| Waist to hip ratio | 0.90 ± 0.11 | 0.92 ± 0.15 |
|
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| Fasting glucose (mg/dl) | 90.5 ± 10.6 | 88.2 ± 12.5 |
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| Triglycerides (mg/dl) | 102.7 ± 73.4 | 103.3 ± 55.9 |
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| Cholesterol-HDL (mg/dl) | 54.1 ± 20.0 | 52.1 ± 15.8 |
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| Mean arterial pressure (mmHg) | 96.1 ± 8.6 | 95.9 ± 7.0 |
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| Systolic blood pressure (mmHg) | 129.8 ± 14.4 | 129.9 ± 13.5 |
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| Diastolic blood pressure (mmHg) | 79.2 ± 7.5 | 78.9 ± 5.5 |
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| Antihypertensive medications | ||
| 0 [N (%)] | 3 (18%) | 4 (29%) |
| 1 [N (%)] | 8 (47%) | 8 (57%) |
| 2 [N (%)] | 6 (37%) | 2 (14%) |
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| Type of antihypertensive medication | ||
| ACE inhibitor or ARB [N (%)] | 12 (71%) | 6 (43%) |
| β-Blocker [N (%)] | 2 (12%) | 1 (7%) |
| Thiazide diuretic [N (%)] | 6 (35%) | 5 (36%) |
Screening measurements were made prior to the washout of antihypertensive medication. ACE, angiotensin-converting enzyme; HDL, high-density lipoprotein. Data presented as N, % or mean ± SD.