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)