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Table 7 Intra- and interobserver variability presented as coefficients of variation.

From: A modified echocardiographic protocol with intrinsic plausibility control to determine intraventricular asynchrony based on TDI and TSI

  intraobserver interobserver
septal 6.0% 6.0%
anteroseptal 7.4% 7.9%
anterior 7.1% 7.1%
lateral 8.3% 9.1%
posterior 5.5% 9.1%
inferior 7.7% 6.7%
mean 7.0% 7.7%