Table 1.
Basal characteristics of 334 pre-dialysis CKD patients.
| Characteristic | Total (n = 334) |
|---|---|
| Male, n (%) | 159 (47.60) |
| Age | 60.49 ± 19.36 |
| BMI (kg/m2) | 24.05 ± 4.52 |
| Smoking, n (%) | 78 (23.35) |
| Hypertension, n (%) | 211 (63.17) |
| DM, n (%) | 135 (40.42) |
| Coronary artery disease, n (%) | 35 (10.47) |
| PAD, n (%) | 2 (0.59) |
| Chronic HF, n (%) | 17 (5.08) |
| Cerebrovascular disease, n (%) | 43 (12.87) |
| BUN (mg/dL) | 33.60 (15.47–69.43) |
| Cr (mg/dL) | 1.83 (0.85–4.37) |
| eGFR (mL/min/1.73 m2) | 34.35 (12.50–82.07) |
| CKD Stage 1 (eGFR ≥ 90) | 75(22.45) |
| CKD stage 2 (60 ≤ eGFR ≤ 89) | 53(15.87) |
| CKD stage 3 (30 ≤ eGFR ≤ 59) | 50(14.97) |
| CKD stage 4 (15 ≤ eGFR ≤ 30) | 53(15.87) |
| CKD stage 5 (eGFR < 15) | 103(30.84) |
| Serum total protein (g/dL) | 6.50 (5.80–7.10) |
| Serum albumin (g/dL) | 3.63 (3.13–4.09) |
| Blood Manganese (μg/L) | 8.30 (5.27–11.63) |
| Total cholesterol (μg/L) | 157.0 (129.0–200.00) |
| Anemia, n (%) | 233 (69.76) |
| Hb (g/dL) | 11.00 (9.2–12.7) |
| Hct (%) | 32.08 (27.25–36.70) |
| RDW (%) | 13.40 (12.60–14.50) |
| Iron (μg/dL) | 56.00 (37.0–77.0) |
| Ferritin (ng/mL) | 141.08 (70.88–254.91) |
| TIBC (μg/dL) | 241.00 (202.0–284.0) |
| Transferrin (mg/dL) | 202.00 (164.0–236.0) |
| TSAT (%) | 24.0 (15.50–33.30) |
| Erythropoietin stimulating agent, n (%) | 44 (13.17) |
| Iron supplement, n (%) | 33 (9.88) |
Data are presented as mean ± standard deviation, median (interquartile range), or number (%). Abbreviations: CKD: chronic kidney disease; BMI: body mass index; DM: diabetes mellitus; PAD: peripheral artery disease; HF: heart failure; BUN: blood urea nitrogen; Cr: creatinine; eGFR: estimated glomerular filtration rate; Hb: hemoglobin; Hct: hematocrit; RDW: red blood cell distribution width; TIBC: total iron binding capacity; TSAT: transferrin saturation.