Table 2 Patient characteristics of three cohorts (n = 166)
From: Lower Hb at the initiation of dialysis does not adversely affect 1-year mortality rate
Variables | Hb ≦ 8 | 8 < Hb ≦ 9.2 | 9.2 < Hb (g/dL) | P value |
|---|---|---|---|---|
60 | 57 | 49 | ||
Clinical findings | ||||
Age (years) | 60.6 ± 16.1 | 62.3 ± 12.4 | 61.7 ± 14.2 | 0.11 |
Gender (male/female) | 39/21 | 35/22 | 36/13 | 0.40 |
DM/non DM | 26/34 | 33/24 | 28/21 | 0.22 |
CVD history (+/−) | 18/42 | 7/50 | 12/37 | 0.064 |
Method of HD initiation (AVF/catheter) 41/19 | 49/8 | 35/14 | 0.057 | |
Laboratory findings | ||||
Hb (g/dL) at initiation | 7.23 ± 0.84 | 8.69 ± 0.37 | 10.05 ± 0.63 | 0.00 |
Hb (g/dL) at 6 months prior to initiation | 9.48 ± 1.50 | 9.81 ± 1.07 | 9.84 ± 1.02 | 0.62 |
Hb (g/dL) at 1 year after initiation | 10.45 ± 1.04 | 10.61 ± 0.98 | 10.76 ± 0.90 | 0.66 |
Creatinine (mg/dL) | 11.6 ± 4.6 | 11.5 ± 4.7 | 10.1 ± 3.4 | 0.196 |
eGFR (mL/m/1.73m2) | 4.4 ± 1.8 | 4.2 ± 1.6 | 5.0 ± 2.4 | 0.196 |
Cardiothoracic rate (CTR) at initiation (%) | 56.3 ± 5.9 | 55.0 ± 5.0 | 52.8 ± 6.8 | 0.007 |
CTR at 1 year after initiation (%) | 48.5 ± 5.2 | 50.7 ± 5.1 | 48.6 ± 4.5 | 0.057 |
Log BNP (ng/mL) | 2.7 ± 0.6 | 2.7 ± 0.4 | 2.3 ± 0.6 | 0.069 |
Treatment | ||||
ESA dosage (U/week; converted in Epo dosage) | 4760 ± 3223 | 5231 ± 2803 | 4580 ± 3796 | 0.439 |
Erythropoietin resistance index (ERI) | 11.1 ± 8.4 | 10.1 ± 6.0 | 8.4 ± 7.4 | 0.21 |