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Figure 2: Bland-Altman plot analysis. In each plot, the red horizontal line represents the mean difference of the measurements of invasive arterial measurement and noninvasive measurement using ClearSight ™. The two green horizontal lines represent the Limit of Agreement (1.96 x SD). (a)Bland-Altman plot, MAP-mean (calculated from (MAP invasive + MAP ClearSight)/2) vs. MAP-dif (MAP invasive - MAP ClearSight), (b) Bland-Altman-Plot, SYS-mean (calculated from (SYS invasive + SYS ClearSight)/2) vs. SYS-dif (SYS invasive - SYS ClearSight), (c) Bland-Altman-Plot, DIA-mean (calculated from (DIA invasive + DIA ClearSight)/2) vs. DIA-dif (DIA invasive - DIA ClearSight), (d) Bland-Altman-Plot, PR-mean (calculated from (PR invasive + PR ClearSight)/2) vs. PR-dif (PR invasive - PR ClearSight)

Figure 2: Bland-Altman plot analysis. In each plot, the red horizontal line represents the mean difference of the measurements of invasive arterial measurement and noninvasive measurement using ClearSight ™. The two green horizontal lines represent the Limit of Agreement (1.96 x SD). (a)Bland-Altman plot, MAP-mean (calculated from (MAP invasive + MAP ClearSight)/2) vs. MAP-dif (MAP invasive - MAP ClearSight), (b) Bland-Altman-Plot, SYS-mean (calculated from (SYS invasive + SYS ClearSight)/2) vs. SYS-dif (SYS invasive - SYS ClearSight), (c) Bland-Altman-Plot, DIA-mean (calculated from (DIA invasive + DIA ClearSight)/2) vs. DIA-dif (DIA invasive - DIA ClearSight), (d) Bland-Altman-Plot, PR-mean (calculated from (PR invasive + PR ClearSight)/2) vs. PR-dif (PR invasive - PR ClearSight)