Cardiovascular Diabetology

Table 5 Intra-and inter-observer variability of LV global strain and strain rate

From: The worsening effect of paroxysmal atrial fibrillation on left ventricular function and deformation in type 2 diabetes mellitus patients: a 3.0 T cardiovascular magnetic resonance feature tracking study

	Intra-observer		Inter-observer
	ICC	95%CI	ICC	95%CI
LV PS
Radial	0.936	0.857–0.972	0.902	0.831–0.953
Circumferential	0.975	0.948–0.986	0.931	0.861–0.972
Longitudinal	0.973	0.918–0.975	0.936	0.861–0.965
LV PSSR
Radial	0.872	0.781–0.973	0.842	0.725–0.923
Circumferential	0.973	0.949–0.983	0.869	0.747–0.942
Longitudinal	0.891	0.769–0.953	0.812	0.7521–0.913
LV PDSR
Radial	0.931	0.872–0.959	0.812	0.695–0.892
Circumferential	0.958	0.947–0.979	0.942	0.858–0.974
Longitudinal	0.925	0.837–0.972	0.819	0.692–0.912

LV, left ventricular; PS, peak strain; PSSR, peak systolic strain rate; PSDR, peak diastolic strain rate. ICC, intraclass correlation coefficient; CI, confidence interval

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ISSN: 1475-2840

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