Table 3.
Logistics regression of ERI.
| Variables | Univariate OR (95% CI) | P | Multivariate OR (95% CI) | P |
|---|---|---|---|---|
| Age (per year) | 0.996 (0.989,1.004) | 0.307 | ||
| Sex (male/ female) | 0.497 (0.397,0.622) | <.001 | 0.708 (0.625,0.801) | <.001 |
| Dialysis vintage (per year) | 0.977 (0.953,1.003) | 0.082 | 0.957 (0.929,0.986) | 0.004 |
| BMI (per kg/m2) | 0.861 (0.832,0.891) | <.001 | 0.860 (0.828,0.892) | <.001 |
| Alb (per g/dL) | 0.523 (0.405,0.675) | <.001 | 0.512 (0.389,0.673) | <.001 |
| White blood cells (per 1 × 109/L) | 0.911 (0.860,0.965) | 0.002 | 0.900 (0.844,0.960) | 0.001 |
| Creatine (per mg/dl) | 0.959 (0.928,0.991) | 0.012 | ||
| StdKt/V | 0.717 (0.472,1.091) | 0.120 | ||
| Dialysis frequency <3 times /week (yes/no) | 1.410 (1.078,1.843) | 0.012 | ||
| Fistula use (yes/no) | 0.673 (0.493,0.918) | 0.013 | ||
| Charleson Comorbidity Index | 0.972 (0.882,1.073) | 0.577 | ||
| High-flux dialyzer use (yes/no) | 0.765 (0.595,0.982) | 0.036 | 0.866 (0.755,0.993) | 0.040 |
| The percentage of patients’ treatment time <240 min (yes/no) | 0.798 (0.525,1.212) | 0.289 | ||
| Glomerulonephritis (yes/no) | 0.892 (0.689,1.157) | 0.390 | ||
| Diabetic nephropathy (yes/no) | 1.120 (0.864,1.452) | 0.390 | ||
| Urine output >200 ml/day (yes/no) | 0.996 (0.989,1.004) | 0.307 |
Multivariate logistic regression including all variables with p < 0.10 in univariate logistic regression analysis.
Alb, albumin; BMI, body mass index; Hgb, hemoglobin; stdKt/v, standardized Kt/V; ERI, erythropoietin resistance index.