Table 2.

Intra-observer and Inter-observer coefficient of variation of CMR Feature Tracking.

	Global		Basal		Mid-ventricular		Apical
	Intra-	Inter-	Intra-	Inter-	Intra-	Inter-	Intra-	Inter-
Longitudinal
PS (%)	−2.75	−8.48	−7.57	−9.39	−9.05	−18.24	−11.48	−17.90
PSSR (1/s)	−5.84	−12.41	−8.69	−12.11	−10.54	−16.61	−10.94	−22.91
PDSR (1/s)	5.04	11.20	11.09	15.93	11.31	15.24	12.24	16.23
Circumferential
PS (%)	−2.32	−8.28	−4.42	−9.29	−5.84	−13.82	−4.38	−17.22
PSSR (1/s)	−3.95	−11.75	−7.54	−10.62	−10.66	−18.13	−5.16	−17.51
PDSR (1/s)	7.25	12.86	5.32	14.91	6.36	14.70	7.90	20.91
Radial
PS (%)	7.75	11.77	6.91	12.45	9.75	11.70	8.08	14.75
PSSR (1/s)	8.45	17.04	13.25	19.54	14.36	22.07	11.57	20.48
PDSR (1/s)	−8.40	−15.48	−15.25	−15.13	−9.89	−14.18	−11.00	−13.41

Note: The coefficient of variation is given in %. PS = Peak Strain; PSSR = Peak Systolic Strain Rate; PDR = Peak Diastolic Strain Rate.