Table 1.
Baseline characteristics of study participants
| Variables | Total (n = 1069) |
|---|---|
| Age (years) | 53.2 ± 12.1 |
| Male (%) | 60.4 |
| Age-adjusted Charlson comorbidity index (%) | 3.9 ± 1.8 |
| Low (≤3) | 58.7 |
| Moderate (4–5) | 27.2 |
| High (6–7) | 12.3 |
| Very high (≥8) | 1.8 |
| Diabetes mellitus (%) | 26.5 |
| Hypertension (%) | 96.4 |
| Systolic blood pressure (mmHg) | 126.1 ± 14.6 |
| Diastolic blood pressure (mmHg) | 76.4 ± 10.3 |
| Body mass index (kg/m2) | 24.5 ± 3.4 |
| Body surface area (m2) | 1.7 ± 0.2 |
| Systolic blood pressure (mmHg) | 126.1 ± 14.0 |
| Diastolic blood pressure (mmHg) | 76.4 ± 10.3 |
| Cause of chronic kidney disease (%) | |
| Diabetic nephropathy | 15.4 |
| Non-diabetic nephropathy | 84.6 |
| eGFR (ml/min/1.73 m2) | |
| eGFRCr | 58.5 ± 28.9 |
| eGFRCysC | 58.4 ± 31.2 |
| eGFRCrCysC | 58.0 ± 30.6 |
| Laboratory findings | |
| Hemoglobin (g/dL) | 13.21 ± 1.85 |
| Blood urea nitrogen (mg/dL) | |
| Uric acid (mg/dL) | 6.90 ± 1.86 |
| Phosphorus (mg/dL) | |
| Total bilirubin (mg/dL) | |
| Albumin (g/dL) | 4.26 ± 0.35 |
| uPCR (mean, interquartile range) | 0.4 (0.1–1.0) |
| < 0.3 g/g (%) | 45.0 |
| 0.3–0.9 g/g (%) | 30.6 |
| 1.0–3.0 g/g (%) | 18.8 |
| ≥ 3 g/g (%) | 5.6 |
| uACR (mean, interquartile range) | 272.4 (49.7–705.1) |
| < 30 mg/g (%) | 19.2 |
| 30–299 mg/g (%) | 33.4 |
| ≥ 300 mg/g (%) | 47.4 |
| ESRD event (%) | 69.0 |
eGFR Estimated glomerular filtration rate; Cr Creatinine; CysC Cystatin C; uPCR Urine protein/creatinine ratio; uACR Urine albumin creatinine ratio