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.
Cutoff value for the area variation fraction, as a heart failure predictor 6 months after infarction. Area under the curve: 0.6277; 95% confidence interval: 0.5066 to 0.7489; p-value: 0.044; cutoff < 31.18; sensitivity: 55.60%; specificity: 57.34%.
