Table 1. Baseline characteristics of the study patients.
| Variables | All (n=113) |
|---|---|
| Age (yr) | 57.1 ± 14.4 |
| Male (%) | 50.4 |
| Diabetes Mellitus (%) | 49.6 |
| Hypertension (%) | 48.7 |
| Cardiovascular disease (%) | 42.8 |
| SBP (mmHg) | 144.6 ± 16.1 |
| DBP (mmHg) | 75.7 ± 10.5 |
| CKD stage (%) | |
| 2 | 15.2 |
| 3 | 23.8 |
| 4 | 36.2 |
| 5 | 24.8 |
| Albumin (g/dL) | 4.5 ± 0.5 |
| Hematocrit (%) | 26.8 ± 6.0 |
| BUN (mg/dL) | 57.3 ± 22.5 |
| Creatinine (mg/dL) | 3.1 ± 2.4 |
| eGFR (ml/min/1.73m2) | 20.9 ± 23.7 |
| Calcium (mg/dL) | 9.1 ± 0.8 |
| Phosphate (mg/dL) | 4.3 ± 1.1 |
| CRP (mg/dL) | 0.51 ± 0.32 |
| Fe (ug/dL) | 64.3 ± 23.7 |
| Ferritin (ng/mL) | 196.9 ± 95.2 |
| Free IS (mg/L) | 0.2 ± 0.6 |
| Total IS (mg/L) | 15.8 ± 6.9 |
| EPO (mIU/ml) | 12.2 ± 11.9 |
PS: values were expressed as mean ± SD unless otherwise defined.
Abbreviation: BUN: blood Urea Nitrogen; eGFR: estimated glomerular filtration rate; CRP: C-reactive protein; Fe: ferrous; IS: indoxyl sulfate.; EPO: erythropoietin.