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Table 6 ICCs of left ventricular strain measurements

From: Preliminary clinical study of left ventricular myocardial strain in patients with non-ischemic dilated cardiomyopathy by three-dimensional speckle tracking imaging

Variable Inraobserver Interobserver Test-retest
Circumferential strain 0.95 0.92 0.79
Radial strain 0.89 0.80 0.69
Longitudinal strain 0.87 0.85 0.69
  1. Data expressed as intraclass correlation coefficient (ICC)