
https://doi.org/10.1001%2Fjamanetworkopen.2018.1456
.
Left ventricular ejection fractions measured by different methods were all statistically significant in terms of their prognostic value with respect to all-cause mortality.

https://doi.org/10.1001%2Fjamanetworkopen.2018.1456
.
Left ventricular ejection fractions measured by different methods were all statistically significant in terms of their prognostic value with respect to all-cause mortality.