Fig. 2.

Linear regression plots comparing the ML model to the reference standards. The intraclass correlation coefficient (ICC) for ML model LVEF and level III echocardiographer LVEF was 0.772 [0.501,1.000] and 0.778 [0.578,1.000] for randomized single videos by visual estimate and segmentation, respectively. The ICC for single video ML model LVEF and level III echocardiographer LVEF was 0.794 [0.173, 1.000] for visual assessment and 0.843 [0.310, 1.000] by segmentation when the expert was able to review all clips for a participant. The ICC for ML model LVEF and derived reported LVEF was 0.798 [0.143, 1.000]