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Multiple regression analysis
| Variable | Parameter estimate | Standard error | P |
| Intercept | -1.61742 | 1.12391 | 0.1707 |
| NYT administration | 1.47645 | 0.43746 | 0.0042 |
| Serum creatinine (wk 0) | -3.05400 | 1.57891 | 0.0722 |
Maximal hemoglobin decrease = 1.477 × [NYT administration] -3.054× [serum creatinine at wk 0]-1.617 (NYT administration: the NYT group, 1; the control group, 2) Adjusted R square: 0.3923.
