Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Linear regression plot shows the correlation between left ventricular ejection fraction (LVEF) measured by 64-slice multidetector CT (MDCT) and two-dimensional echocardiography (echo). (b) Bland–Altman plot of LVEF shows the difference between each pair plotted against the average value of the same pair and the mean value of differences ±2 standard deviations (SDs).
