Table 1.
Baseline characteristics of the study population (n = 100)
|
Item |
Group 1 |
Group 2 |
p value |
|---|---|---|---|
| (n = 48) | (n = 52) | ||
| Age (year) |
64.3 ± 11.7 |
64.4 ± 11.8 |
0.962 |
| gender |
|
|
0.029 |
| Male |
17(35.4%) |
30(57.7%) |
|
| female |
31(65.6%) |
22(42.3%) |
|
| BMI (kg/m2) |
21.9 ± 3.3 |
22.7 ± 3.3 |
0.248 |
| KT/V |
1.6 ± 0.2 |
1.5 ± 0.3 |
0.551 |
| Dialysis vintage (m) |
56.9 ± 32.2 |
44.8 ± 32.0 |
0.062 |
| Diabetes |
9/39(23.1%) |
11/41(21.2%) |
0.807 |
| ACEI/ARB (case) |
6/48(12.5%) |
6/52(11.5%) |
1.000 |
| Statins (case) |
2/48(4.2%) |
3/52(5.8%) |
1.000 |
| BUN (mmol/l) |
25.2 ± 5.6 |
24.9 ± 7.3 |
0.884 |
| Scr (umol/l) |
783.9 ± 179.7 |
920.1 ± 256.9 |
0.058 |
| prealbumin (mg/l) |
295.6 ± 86.6 |
315.3 ± 85.8 |
0.256 |
| albumin (g/l) |
38.2 ± 3.7 |
40.0 ± 4.2 |
0.023 |
| hemoglobin (g/l) |
107.2 ± 16.6 |
111.4 ± 17.3 |
0.217 |
| ERI |
10.7 ± 8.6 |
9.3 ± 6.1 |
0.323 |
| Ferritin (ug/l) |
417.8 ± 266.5 |
461.9 ± 287.1 |
0.429 |
| Vitamin C (μg/mL) |
1.5 ± 0.8 |
2.0 ± 0.9 |
0.003 |
| |
Median(IQR) |
Median(IQR) |
|
| hsCRP(mg/l) | 9.6 (6.0-13.8) | 6.2(4.2-11.0) | 0.005 |
Note: age, BMI, dialysis vintage, BUN, Scr, prealbumin, albumin, hemoglobin, ERI and vitamin C were presented as mean ± SD; hsCRP was presented as median and inter-quartile range (IQR).
Abbreviations: BMI body mass index, BUN blood urea nitrogen, Scr serum creatinine, ERI EPO resistance index, hs-CRP high hypersensitive C-reactive protein, IQR inter quartile range.