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. 2012 Dec 14;7(12):e51812. doi: 10.1371/journal.pone.0051812

Figure 1. Correlations between QRS width and SAI QRST (A), between mean magnitude of spatial QRS vector and SAI QRST (B), between mean magnitude of spatial T vector and SAI QRST (C), and between mean heart rate and SAI QRST (D).

Figure 1

Linear regression fitted line is shown in each graph.