Bland-Altman plots illustrating the mean of measurement 1 and measurement 2 (x-axis) plotted against the difference between measurement 1 and measurement 2 (y-axis) for secondary hyperalgesia areas induced by the heat/capsacin model (panel A, pooled data from eight studies [n = 189]), the brief thermal stimulation model (panel B, pooled data from four studies [n = 120]) and the burn injury model (panel C, data from one study [n = 100]).

<p>The solid vertical line (mean of difference) indicate bias between the methods and the dashed vertical lines indicate the upper and lower 95% confidence interval (CI [±1.96×SD = limits of agreement]).