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Bland-Altman analysis between ABP measurement (SAP and MAP) on invasive (radial artery, Kt) and non-invasive (Nexfin) devices. Each point corresponds to a pairs of measures. Red dashed lines represent mean bias. Black lines show the limit of agreement. A Accuracy and precision for SAP measures between Nexfin device and Kt. B Accuracy and precision for SAP measures between intermittent Arm Cuff and Kt. MAP, mean arterial pressure; SAP, systolic arterial pressure
