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. 2014 Apr 23;2(4):e00281. doi: 10.14814/phy2.281

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© 2014 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf of the American Physiological Society and The Physiological Society.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — Bivariate correlation of sugar probes with glomerular filtration rate. No association was observed between the glomerular filtration rate and the fractional recovery of mannitol (ρ = −0.062, P =0.627) or lactulose (ρ = −0.102, P =0.426). The permeability index (ρ = −0.030, P =0.818) did also not correlate with the glomerular filtration rate in the bivariate Spearman rank‐order correlation. GFR: glomerular filtration rate, MDRD. Formula according to the Modification of Diet in Renal Disease Study (Levey et al. 1999).