Longitudinal strain correlates with 6-minute walk distance whereas ejection fraction and diastolic parameters do not

Table 2 Correlation of traditional measures of LV systolic and diastolic function with 6-minute walk distance

Correlation with 6-minute walk distance	N	Correlation Estimate^a	p Value^b
Biplane Ejection Fraction	58	0.21899	0.0986
log E/e’ medial	44	-0.18010	0.2420
log e’ lateral	44	0.09546	0.5377
log e’ medial	46	0.16251	0.2806
log deceleration time	49	0.13687	0.3484
log E	48	-0.00851	0.9542
log A	48	-0.05602	0.7053
log E/A ratio	47	0.04471	0.7654

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