Characteristics | All patients (n = 194) | Hypovolemic (n = 17) | Normovolemic (n = 83) | Hypervolemic (n = 94) | P value |
---|---|---|---|---|---|
VS, L (assessed by BCM) | 1.1 ± 2 | −2.1 ± 0.6 | 0.1 ± 0.7a | 2.6 ± 1.5b,c | <0.001* |
VS/ECFV% (assessed by BCM) | 7.8 ± 12 | −12 ± 3.4 | 0.9 ± 4a | 17 ± 10b,c | <0.001* |
Clinical target weight | 72 ± 22 | 85 ± 28 | 74 ± 21 | 69 ± 20c | 0.014* |
VS, L (clinically assessed) | 2.2 ± 2.0 | 2.1 ± 1.3 | 1.7 ± 1.5 | 2.5 ± 2.3b | 0.016* |
VS/ECFV (clinically assessed) | 0.2 + 1.2 | 11.6 ± 8.2 | 10 ± 9 | 16.8 ± 15b | 0.001* |
Gender, M/F | 115/79 | 10/7 | 47/36 | 58/36 | 0.702 |
Age, years | 61 ± 15 | 60 ± 16 | 60 ± 16 | 62 ± 15 | 0.788 |
Diabetes, % | 45 % | 47 % | 3 % | 54 %c | 0.035* |
Smoking, % | 11 % | 0 % | 6 % | 17 %c | 0.02* |
Edema, % | 28 % | 0 % | 9 % | 47 %b,c | <0.001* |
Obesity, % | 26 % | 47 % | 30 % | 19 %b,c | 0.001* |
Pre-HD-SBP, mmHg | 131 ± 25 | 128 ± 26 | 129 ± 26 | 137 ± 25 | 0.088 |
Pre-HD-DBP, mmHg | 71 ± 16 | 70 ± 15 | 72 ± 18 | 72 ± 16 | 0.843 |
Pre-HD-PP, mmHg | 60 ± 22 | 59 ± 29 b | 57 ± 19 | 65 ± 19b | 0.025* |
Pre-HD-MAP, mmHg | 91 ± 17 | 89 ± 14 | 91 ± 19 | 94 ± 17 | 0.418 |
HTN, % | 45 % | 41 % | 36 % | 54 %c | 0.015* |
Antihypertensive | 48 % | 24 % | 45 % | 54 % | 0.057 |
Intradialytic hypotension | 17 % | 35 % | 20 % | 11 %b | 0.007* |
Paradoxical hypertension | 31 % | 35 % | 29 % | 32 % | 0.840 |
Plasma sodium, mmol/L | 136 ± 3 | 136 ± 2.6 | 137 ± 3 | 135.5 ± 3c | 0.002* |
Serum potassium, mEq/L | 4.7 ± 0.6 | 4.8 ± 0.6 | 4.6 ± 0.6 | 4.8 ± 0.7 | 0.163 |
Albumin, g/L | 36 ± 3.5 | 36 ± 4 | 37 ± 3. | 36 ± 3.5 | 0.184 |