Impact of obesity and epicardial fat on early left atrial dysfunction assessed by cardiac MRI strain analysis

Table 4 Correlations between functional indexes and body surface area and Dixon 3D epicardial fat fraction

	Body surface area (m²)		Dixon 3D epicardial fat fraction (%)
	r	p	r	p
Longitudinal strain (%)
Sl_R	−0.561***	<0.001	−0.079	0.636
Sl_E	−0.456**	0.004	−0.141	0.399
Sl_A	−0.390*	0.014	0.090	0.591
Sl_A/Sl_R	−0.373*	0.019	−0.335*	0.040
Longitudinal strain rate (%/s)
SRl_S′	0.067	0.687	0.128	0.443
SRl_E′	−0.302	0.062	0.043	0.798
SRl_A′	0.394*	0.013	0.096	0.566
SRl_E′/SRl_A′	−0.006	0.971	−0.269	0.103
Radial motion fraction (%)
Mr_R	−0.570***	<0.001	−0.041	0.805
Mr_E	−0.576***	<0.001	−0.143	0.390
Mr_A	−0.284	0.080	0.153	0.359
Mr_A/Mr_R	0.278	0.087	0.244	0.140
Radial relative velocity (%/s)
Vr_S′	−0.064	0.698	0.252	0.127
Vr_E′	0.437**	0.005	0.071	0.674
Vr_A′	−0.024	0.884	−0.355*	0.029
Vr_E′/Vr_A′	−0.413**	0.009	−0.435**	0.006

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