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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: J Ren Nutr. 2014 Sep 11;25(2):97–102. doi: 10.1053/j.jrn.2014.07.005

Figure 1.

Figure 1

Figure 1

Mean regression lines and 95% limits of agreement for A) Estimated 24-hour creatinine excretion (eCER) and B) spot urine creatinine (UCr) with fat free mass (FFM) by dual x-ray absorptiometry (DXA) All (n=1371)

A) Regression equation: FFM (kg) = 13.0 + 0.03*eCER (mg/day)

B) Regression equation: FFM (kg) = 39.3 + 0.08* spot UCr (mg/dL)