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. 2018 Apr 30;13(4):e0196647. doi: 10.1371/journal.pone.0196647

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© 2018 Scarr et al

This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Fig 2 — Scatterplots (A, B) and Bland-Altman plots (C, D) for comparison of AMP and CV as determined by POCD and standard NCS. Panels A and B display the scatterplot of AMP (A) and CV (B) obtained by the two methods, r_s refers to Spearman’s rank correlation coefficient, and the solid diagonal line represents the line of unity (x = y). Panels C and D display the Bland-Altman plots demonstrating the difference between AMP_POCD−AMP_NCS (C) and CV_POCD−CV_NCS (D); points above or below zero on the y-axis represent overestimation and underestimation by the POCD, respectively. The dotted lines (C, D) correspond to, from top to bottom, the 97.5^th percentile of differences, the mean difference, and the 2.5^th percentile of differences.