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. Author manuscript; available in PMC: 2011 Nov 1.
Published in final edited form as: J Electrocardiol. 2010 Sep 15;43(6):548–552. doi: 10.1016/j.jelectrocard.2010.07.013

Figure 1.

Figure 1

Boxplot of baseline SAI QRST and QRS width in patients with and without VT/VF at follow-up. Median (white horizontal line crossing the box) and interquartile range [IQR] (box) of SAI QRST (A) and QRS width (B). Whiskers specify the adjacent values, defined as the most extreme values within 1.5 IQR of the nearer quartile.