TABLE 2.
LS Men | LS Women | HS Men | HS Women | |
---|---|---|---|---|
Mass (kg) | 75 ± 3 | 67 ± 2* | 76 ± 3† | 69 ± 2*† |
Hemoglobin (g/dl) | 15.6 ± 0.3 | 12.8 ± 0.3* | 15.0 ± 0.4† | 12.0 ± 0.3*† |
Hematocrit (%) | 43.5 ± 0.8 | 36.7 ± 1.7* | 41.4 ± 0.7 | 36.9 ± 1.1* |
Plasma osmolality (mOsm/kg H2O) | 285.1 ± 1.2 | 284.8 ± 1.3 | 287.5 ± 1.0 | 286.0 ± 1.4 |
Serum sodium (mmol/L) | 137.6 ± 0.6 | 137.5 ± 0.6 | 139.8 ± 0.5† | 138.3 ± 0.7 |
Serum potassium (mmol/L) | 4.2 ± 0.1 | 3.9 ± 0.1 | 4.1 ± 0.1 | 4.0 ± 0.1 |
Serum chloride (mmol/L) | 100.4 ± 0.7 | 103.3 ± 0.5* | 102.9 ± 0.4† | 106.2 ± 0.6*† |
Urine osmolality (mOsm/kg H2O) | 542.7 ± 57.6 | 389.5 ± 51.5* | 486.9 ± 46.6 | 438.4 ± 52.5 |
Urine flow rate (mL/min) | 1.00 ± 0.14 | 1.04 ± 0.15 | 1.46 ± 0.14† | 1.28 ± 0.15† |
Free water clearance (mL/min) | −0.70 ± 0.18 | 0.10 ± 0.21* | −0.99 ± 0.16 | −0.54 ± 0.20 |
24-h SBP (mm Hg) | 119.1 ± 1.3 | 110.2 ± 1.4* | 121 ± 2† | 112 ± 1* |
24-h DBP (mm Hg) | 71.8 ± 1.3 | 68.5 ± 1.4 | 72 ± 1 | 67 ± 1* |
24-h PP (mm Hg) | 47 ± 1 | 41 ± 1* | 49 ± 2† | 45 ± 1*† |
24-h heart rate (bpm) | 69 ± 3 | 65 ± 5 | 67 ± 3 | 67 ± 2 |
Laboratory SBP (mm Hg) | 117 ± 3 | 109 ± 3* | 119 ± 2 | 111 ± 3* |
Laboratory DBP (mm Hg) | 63 ± 2 | 64 ±2 | 65 ± 1 | 66 ±2 |
Laboratory MAP (mmHg) | 81 ± 2 | 79 ± 2 | 83 ± 1 | 81 ± 2 |
Laboratory PP (mmHg) | 54 ± 3 | 45 ± 1* | 54 ± 3 | 46 ± 2* |
Values are mean ± SE; n = 30 (14 women and 16 men). DBP, diastolic blood pressure; HS, high sodium; LS, low sodium; MAP, mean arterial pressure; PP, pulse pressure; SBP, systolic blood pressure.
P<0.05 v. men;
P<0.05 v. respective sex’s low-sodium values