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Cardiac output measurements: TDCO versus NexCO. Only one average value per patient is plotted. (a) Regression analysis. (b) Bland-Altman analysis. Patient averages with the mean cardiac output ranges (x-axis) and bias errors (y-axis) during the 8-hour study period. Dotted line indicates bias and solid lines indicate lower and upper limit of agreement. NexCO: Nexfin cardiac output. TDCO: thermodilution cardiac output.
