Table 1.
Clinical characteristics of all naïve hypertensive patients enrolled in the present study who underwent acute salt load.
| Phenotype | Salt resistant n = 37 | Salt sensitive n = 19 | P value |
|---|---|---|---|
| Age (years) | 42 ± 1.6 | 43.1 ± 2.1 | 0.67 |
| BMI (kg/m2) | 25 ± 0.4 | 26.8 ± 0.8 | 0.071 |
| eGFR (mL/m/1.72 m2) | 99.8 ± 0.6 | 99.6 ± 0.9 | 0.856 |
| 24 h urinary Na (mEq/24 h) | 140.8 ± 7.6 | 167 ± 17.3 | 0.112 |
| SBP baseline (mm Hg) | 142.5 ± 2.1 | 134.5 ± 2.4 | 0.032 |
| DBP baseline (mm Hg) | 89.6 ± 1.6 | 84.2 ± 2.2 | 0.05 |
| SBP T120 (mm Hg) | 140.3 ± 2.1 | 146.2 ± 2.3 | 0.09 |
| DBP T120 (mm Hg) | 86 ± 1.7 | 91.9 ± 1.8 | 0.036 |
| ΔSBP (T120 − T0) (mm Hg) | − 1.8 ± 1 | 11.7 ± 1 | < 0.001 |
| ΔDBP (T120 − T0) (mm Hg) | − 3.7 ± 0.6 | 7.8 ± 1.03 | < 0.001 |
| ΔMBP (T120 − T0) (mm Hg) | − 2.9 ± 0.61 | 8.77 ± 0.92 | < 0.001 |