Fig. 4.
First preinduction mean arterial pressure (MAP) versus mean daytime MAP. (A) Histogram showing the frequency (n; y axis; n total = 361) of the differences between the first preinduction MAP and the mean daytime MAP. The median difference (25th and 75th percentile) was −1 (−8 and +8) mmHg (P < 0.001). The dotted vertical line represents the median difference. (B) Correlation between the first preinduction MAP and the mean daytime MAP (r = 0.429, P < 0.001). (C) Bland–Altman plot comparing the first preinduction MAP and the mean daytime MAP. The continuous horizontal line shows the mean of the differences between the two MAP values, and the dotted horizontal lines show the upper and lower 95% limits of agreement (2 · SD). The relationship between mean values and differences is shown by linear regression analyses (green continuous line).

First preinduction mean arterial pressure (MAP) versus mean daytime MAP. (A) Histogram showing the frequency (n; y axis; n total = 361) of the differences between the first preinduction MAP and the mean daytime MAP. The median difference (25th and 75th percentile) was −1 (−8 and +8) mmHg (P < 0.001). The dotted vertical line represents the median difference. (B) Correlation between the first preinduction MAP and the mean daytime MAP (r = 0.429, P < 0.001). (C) Bland–Altman plot comparing the first preinduction MAP and the mean daytime MAP. The continuous horizontal line shows the mean of the differences between the two MAP values, and the dotted horizontal lines show the upper and lower 95% limits of agreement (2 · SD). The relationship between mean values and differences is shown by linear regression analyses (green continuous line).

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