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. Author manuscript; available in PMC: 2014 Sep 5.
Published in final edited form as: N Engl J Med. 2013 Sep 5;369(10):932–943. doi: 10.1056/NEJMoa1214234

Figure 1. Distribution of the Estimated Glomerular Filtration Rate (eGFR) as Calculated with the Measurement of Creatinine, Cystatin C, or Both in 11 General-Population Cohort Studies.

Figure 1

A total of 90,750 participants were included in the meta-analysis of 11 studies, with a kernel-density estimate showing the smoothed frequency for each 1 ml of the eGFR value. The vertical lines indicate current clinical thresholds for eGFR categories.