Table 1.
Patient characteristics (n = 102)
| Variable | |
|---|---|
| Men, n (%) | 57 (56) |
| Age (years) | 40 ± 11 |
| Body mass index (kg/m2) | 26 ± 5 |
| Mean arterial pressure (mmHg) | 96 ± 10 |
| Use of antihypertensive medication, n (%) | 79 (78) |
| Use of diuretics, n (%) | 23 (23) |
| Hemoglobin (mmol/L) | 8.3 ± 0.8 |
| Serum sodium (mmol/L) | 140 ± 2 |
| Plasma osmolarity (mOsm/L) | 290 ± 8 |
| Copeptin (pmol/L) | 7.0 (3.1 to 15.7) |
| Serum creatinine (μmol/L) | 115 ± 70 |
| Serum urea (mmol/L) | 8 ± 4 |
| 24-hour urinary volume (L) | 2.3 ± 0.8 |
| 24-hour urinary osmolarity (mOsm/L) | 425 ± 148 |
| 24-hour UAE (mg/24 h) | 41 (15 to 122) |
| Fractional urea excretion (%) | 42 ± 10 |
| GFR (ml/min/1.73 m2) | 77 ± 31 |
| ERBF (ml/min per 1.73 m2) | 421 ± 170 |
| TRV (L) | 1.50 (0.94 to 2.18) |