Association between left ventricular mechanics and diffuse myocardial fibrosis in patients with repaired Tetralogy of Fallot: a cross-sectional study

Table 3 Results of mixed model analyses for LV regional measures

Outcome	T1-based predictor	Standardized β	Predictor p-value
Radial Strain	λ_Gd	−0.33	<0.001 ^a
Radial Strain	ECV	−0.36	0.002 ^a
Radial Strain	Post-contrast T1	0.27	0.01 ^a
Circumferential Strain	λ_Gd	0.09	0.27
Circumferential Strain	ECV	0.11	0.31
Circumferential Strain	Post-contrast T1	−0.22	0.05
log(DI)	λ_Gd	0.47	<0.001 ^a
log(DI)	ECV	0.67	<0.001 ^a
log(DI)	Post-contrast T1	−0.33	0.01 ^a
Systolic Circumferential SR	λ_Gd	0.15	0.09
Systolic Circumferential SR	ECV	0.13	0.26
Systolic Circumferential SR	Post-contrast T1	−0.30	0.014 ^a
Diastolic Circumferential SR	λ_Gd	−0.15	0.10
Diastolic Circumferential SR	ECV	−0.22	0.05
log(Diastolic Circumferential SR)	Post-contrast T1	0.37	<0.001 ^a

λ _Gd gadolinium partition coefficient, ECV extracellular volume fraction, SR strain rate, DI dyssynchrony index
^a statistical significance retained after Benjamini-Hochberg adjustment

ISSN: 1532-429X