Journal of Cardiovascular Magnetic Resonance

Table 6 Intra-observer and inter-observer reproducibility for LA functional parameters

From: Quantification of left atrial function in patients with non-obstructive hypertrophic cardiomyopathy by cardiovascular magnetic resonance feature tracking imaging: a feasibility and reproducibility study

	Intra-observer			Inter-observer
	CV (%)	ICC	95% CI	CV (%)	ICC	95% CI
LAVmax	6.5	0.95	0.87–0.98	7.4	0.93	0.83–0.97
LAVpre-a	7.1	0.95	0.88–0.98	8.6	0.93	0.82–0.97
LAVmin	6.7	0.96	0.90–0.98	7.7	0.95	0.87–0.98
LA total EF	2.2	0.95	0.89–0.98	2.7	0.93	0.82–0.97
LA passive EF	6.6	0.94	0.85–0.97	8.4	0.89	0.73–0.95
LA active EF	4.3	0.96	0.89–0.98	6.6	0.88	0.72–0.95
ε_s	6.6	0.93	0.83–0.97	9.3	0.88	0.72–0.95
ε_e	7.9	0.94	0.86–0.98	10.0	0.91	0.76–0.96
ε_a	7.1	0.96	0.90–0.98	9.8	0.93	0.84–0.97
SRs	7.4	0.93	0.84–0.97	10.3	0.88	0.73–0.95
SRe	8.4	0.94	0.86–0.98	10.6	0.91	0.79–0.96
SRa	5.5	0.98	0.96–0.99	8.4	0.96	0.89–0.98

CV coefficient of variation, ICC intraclass correlation coefficient, LAV_max left atrial maximum volume, LAV_pre-a left atrial pre-atrial contraction volume, LAV_min left atrial minimum volume, LAEF left atrial emptying fraction, ε_s total strain, ε_e passive strain, ε_a active strain, SRs peak positive strain rate, SRe peak early negative strain rate, SRa peak late negative strain rate

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ISSN: 1532-429X

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