Figure 1From: A prospective study to evaluate the accuracy of pulse power analysis to monitor cardiac output in critically ill patientsLinear regression and Bland Altman plots for PulseCO versus LiDCO at 1 (a), 2 (b), 4 (c) and 8 (d) hours following calibration. The solid lines in the Bland Altman plot represent the bias and the dotted lines represent the limits of agreement (2 × standard deviation of the bias).Back to article page