公式(sum ∑ from k=1 to n)f<sub>k</sub>=f<sub>n+2</sub>-f<sub>2</sub>,(sum ∑ from k=1 to n)f<sub>2k-1</sub>=f<sub>2n</sub>-(f<sub>2</sub>-f<sub>1</sub>)(sum ∑ from k
AIM: To compare the performance of the re-expressed Modification of Diet in Renal Disease equation vs the new Chronic Kidney Disease Epidemiology Collaboration