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. 2015 Jul 11;26:683–692. doi: 10.1007/s00330-015-3877-y

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© The Author(s) 2015

Open Access This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

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Fig. 3 — Intra-observer and inter-observer agreement of renal blood flow (RBF) measurement (ml/min). A The intra-class correlation coefficient for observer A was 0.997 and 0.995 for observer B (p < 0.001 for both; n = 21 ADPKD patients); the intra-observer coefficient of variation was 2.0 % and 2.6 %, respectively. B The inter-observer coefficient of variation was 3.5 % with a reliability coefficient of 0.991 (p < 0.001)