Table 2 Characteristics of the six groups for ERI variability
High | Intermediate | Low | Intermediate-high | Low-high | Low-intermediate | |
|---|---|---|---|---|---|---|
(n = 31) | (n = 68) | (n = 46) | (n = 30) | (n = 137) | (n = 63) | |
Male | 45.2 % | 73.5 % | 78.3 % | 63.3 % | 58.4 % | 68.3 % |
Female | 54.8 % | 26.5 % | 21.7 % | 36.7 % | 41.6 % | 31.8 % |
Age, years | 75.1 ± 9.9 | 67.8 ± 12.9 | 60.5 ± 11.8 | 70.1 ± 13.3 | 66.6 ± 14.7 | 65.3 ± 12.3 |
BMI | 19.7 ± 3.1 | 22.6 ± 3.3 | 23.9 ± 2.8 | 21.4 ± 3.9 | 21.4 ± 3.3 | 22.7 ± 3.6 |
HD vintage, months | 62.9 ± 87.4 | 62.1 ± 68.1 | 70.6 ± 62.4 | 58.6 ± 59.2 | 65.1 ± 80.3 | 69.8 ± 81.8 |
Phosphorus, mg/dl | 5.2 ± 1.6 | 5.3 ± 1.3 | 5.5 ± 1.3 | 5.0 ± 1.4 | 5.2 ± 1.2 | 5.3 ± 1.3 |
Calcium, mg/dl | 8.5 ± 0.8 | 8.7 ± 0.8 | 8.8 ± 0.6 | 8.5 ± 0.6 | 8.7 ± 0.6 | 8.6 ± 0.8 |
Intact PTH, pg/ml | 116.8 ± 87.5 | 138.4 ± 92.6 | 187.4 ± 267.7 | 167.3 ± 128.2 | 156.7 ± 191.0 | 140.7 ± 90.7 |
ALP, U/l | 249.8 ± 137.2 | 234.0 ± 69.5 | 243.0 ± 121.0 | 225.1 ± 66.4 | 259.3 ± 109.9 | 236.8 ± 73.7 |
Ferritin, ng/ml | 134.8 ± 101.8 | 78.8 ± 76.9 | 75.5 ± 63.9 | 71.1 ± 61.7 | 86.9 ± 94.8 | 104.1 ± 88.3 |
Hb, g/dl | 9.7 ± 1.0 | 10.9 ± 0.9 | 11.4 ± 1.0 | 10.4 ± 1.0 | 10.8 ± 1.2 | 11.0 ± 0.8 |
Albumin, mg/dl | 3.5 ± 0.4 | 3.6 ± 0.3 | 3.8 ± 0.3 | 3.6 ± 0.3 | 3.6 ± 0.4 | 3.7 ± 0.3 |
CRP, mg/dl | 1.2 ± 1.7 | 0.5 ± 1.2 | 0.4 ± 0.9 | 0.5 ± 0.7 | 0.6 ± 1.8 | 0.6 ± 1.7 |
TSAT, % | 20.8 ± 11.4 | 21.7 ± 10.1 | 23.7 ± 12.6 | 18.1 ± 9.0 | 21.5 ± 11.3 | 23.6 ± 12.4 |
Kt/V | 1.5 ± 0.3 | 1.4 ± 0.2 | 1.4 ± 0.2 | 1.4 ± 0.3 | 1.4 ± 0.3 | 1.4 ± 0.3 |
Systolic BP, mmHg | 150.7 ± 22.3 | 145.6 ± 26.0 | 147.3 ± 22.2 | 155.7 ± 19.1 | 150.6 ± 21.1 | 150.1 ± 23.1 |
Diastolic BP, mmHg | 76.5 ± 12.1 | 76.4 ± 15.3 | 81.3 ± 13.4 | 80.1 ± 12.3 | 77.4 ± 13.7 | 78.4 ± 14.9 |