Skip to main content
. Author manuscript; available in PMC: 2013 May 9.
Published in final edited form as: J Am Soc Echocardiogr. 2011 Nov;24(11):1213–1219. doi: 10.1016/j.echo.2011.07.006

Table 5.

Intra-Class Correlation Coefficient (95% CI) for S', Mean dP/dtic, and Tei index.

Variable Intra-rater ICC Inter-rater ICC
S' 0.91 (0.79, 0.96) 0.69 (0.39, 0.86)
Mean dP/dtic 0.93 (0.83, 0.97) 0.91 (0.78, 0.96)
Tei index 0.75 (0.47, 0.89) 0.24 (0.0 0.56)
Log (Mean dP/dtic) 0.96 (0.90, 0.98) 0.94 (0.86, 0.98)

ICC = Intra-class correlation coefficient