Table 2 Baseline characteristics according to discrepancy between the trends of eGFRCr and eGFRCysC
|  | Discrepancy (n = 55) | Agreement (n = 706) | P |
|---|---|---|---|
Age (years) | 44.8 ± 10.3 | 56.8 ± 10.7 | < 0.001 |
Male (%) | 61.8 | 62.2 | 0.957 |
Age-adjusted Charlson comorbidity index (%) | 2.4 ± 1.7 | 4.0 ± 1.7 | < 0.001 |
 Low (≤3) | 74.5 | 42.9 |  |
 Moderate (4–5) | 21.8 | 36.5 |  |
 High (6–7) | 3.6 | 18.1 |  |
 Very high (≥8) | 0 | 2.4 |  |
Diabetes (%) | 27.3 | 31.4 | 0.622 |
Hypertension (%) | 98.2 | 98.9 | 1.000 |
Systolic blood pressure (mmHg) | 128.0 ± 13.0 | 125.9 ± 14.7 | 0.306 |
Diastolic blood pressure (mmHg) | 78.4 ± 10.7 | 75.7 ± 10.1 | 0.062 |
Body mass index (kg/m2) | 24.4 ± 4.0 | 24.7 ± 3.3 | 0.514 |
Body surface area (m2) | 1.8 ± 0.2 | 1.7 ± 0.2 | 0.036 |
Systolic blood pressure (mmHg) | 128.0 ± 13.0 | 125.9 ± 14.7 | 0.306 |
Diastolic blood pressure (mmHg) | 78.4 ± 10.7 | 75.7 ± 10.1 | 0.062 |
Cause of chronic kidney disease (%) | Â | Â | 0.924 |
 Non-diabetic nephropathy | 81.8 | 80.3 |  |
 Diabetic nephropathy | 18.2 | 19.7 |  |
eGFR (ml/min/1.73 m2) | |||
 eGFRCr | 66.4 ± 16.6 | 41.9 ± 15.2 | < 0.001 |
 eGFRCysC | 58.2 ± 19.72 | 41.6 ± 17.9 | < 0.001 |
 eGFRCrCysC | 61.0 ± 18.3 | 40.8 ± 16.1 | < 0.001 |
Laboratory findings | |||
 Hemoglobin (g/dL) | 13.4 ± 1.7 | 12.9 ± 1.9 | 0.029 |
 Blood urea nitrogen (mg/dL) | 20.8 ± 5.8 | 20.2 ± 8.6 | < 0.001 |
 Uric acid (mg/dL) | 6.8 ± 1.7 | 7.4 ± 1.7 | 0.020 |
 Phosphorus (mg/dL) | 3.5 ± 0.5 | 3.6 ± 0.6 | 0.041 |
 Total bilirubin (mg/dL) | 0.7 ± 0.3 | 0.7 ± 0.3 | 0.087 |
 Albumin (g/dL) | 4.2 ± 0.3 | 4.2 ± 0.3 | 0.967 |
uPCR (mean, interquartile range) | 0.5 (0.2–1.5) | 0.4 (0.1–1.0) | 0.054 |
  < 0.3 g/g (%) | 30.9 | 41.3 | 0.011 |
 0.3–0.9 g/g (%) | 27.3 | 33.1 |  |
 1.0–3.0 g/g (%) | 27.3 | 20.6 |  |
  ≥ 3.0 g/g (%) | 14.5 | 5.0 |  |
uACR (mean, interquartile range g) | 427 (120–1206) | 295 (72–744) | 0.040 |
  < 30 mg/g (%) | 7.3 | 14.5 | 0.202 |
 30–299 mg/g (%) | 32.7 | 36.1 |  |
  ≥ 300 mg/g (%) | 60.0 | 49.4 |  |