TABLE 2.
Correlations between baseline RDW and laboratory parameters.
| Variables | Univariate analysis |
Multivariable analysis |
||
| r | P-value | r | P-value | |
| WBC (× 1012/L) | –0.027 | 0.54 | ||
| RBC (× 1012/L) | –0.174 | < 0.001 | –0.125 | 0.004 |
| Hemoglobin (g/L) | –0.258 | < 0.001 | –0.154 | < 0.001 |
| MCV (fl) | –0.073 | 0.10 | ||
| Lymphocyte (%) | –0.132 | 0.003 | –0.041 | 0.35 |
| Albumin (g/dL) | –0.205 | < 0.001 | –0.102 | 0.02 |
| Blood glucose (mmol/L) | 0.076 | 0.08 | ||
| Bicarbonate (mmol/L) | –0.124 | 0.005 | –0.119 | 0.006 |
| Calcium (mmol/L) | –0.141 | 0.001 | –0.119 | 0.007 |
| Phosphorus (mmol/L) | 0.018 | 0.69 | ||
| Serum iron (μmol/L) | –0.192 | < 0.001 | –0.093 | 0.03 |
| eGFR (ml/min/1.73 m2) | –0.111 | 0.01 | –0.110 | 0.01 |
| UACR (mg/g) | 0.097 | 0.03 | 0.101 | 0.02 |
| 24-h urine protein (g/24 h) | 0.060 | 0.17 | ||
| Uric acid (μmol/L) | –0.051 | 0.25 | ||
| TG (mmol/L) | –0.096 | 0.03 | –0.023 | 0.60 |
| TCHO (mmol/L) | –0.104 | 0.02 | –0.033 | 0.45 |
| LDL-C (mmol/L) | –0.101 | 0.02 | –0.061 | 0.17 |
eGFR, estimated glomerular filtration rate; LDL-C, low-density lipoprotein cholesterol; MCV, mean corpuscular volume; RBC, red blood cell; RDW, red blood cell distribution width; TCHO, total cholesterol; TG, triglyceride; UACR, urinary albumin-creatinine ratio; WBC, white blood cell.