Myocardial contractility indices based on strain imaging

Table 2 Strain/Afterload Ratios Versus EF and Strain Rate

FT	n	Spearman r	p
CST/CWS vs. EF NL	39	-0.51	0.0009
CST/PV/M vs. EF NL	39	-0.70	< 0.0001
CST/CWS vs. EF CM	35	-0.87	< 0.0001
CST/PV/M vs. EF CM	35	-0.88	< 0.0001
CST/CWS vs. CSR NL	39	0.68	< 0.0001
CST/PV/M vs. CSR NL	39	0.69	< 0.0001
CST/CWS vs. CSR CM	35	0.86	< 0.0001
CST/PV/M vs. CSR CM	35	0.90	< 0.0001
HARP
CST/CWS vs. EF NL	38	-0.2	ns
CST/PV/M vs. EF NL	38	-0.54	0.0005
CST/CWS vs. EF CM	11	-0.72	0.013
CST/PV/M vs. EF CM	11	-0.80	0.003
CST/CWS vs. CSR NL	38	0.54	0.0005
CST/PV/M vs. CSR NL	38	0.52	0.0008
CST/CWS vs. CSR CM	11	0.55	ns
CST/PV/M vs. CSR CM	11	0.66	0.026

ISSN: 1532-429X