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.
Cumulative event rate according to random allocation to folic acid treatment (dashed line) and control (solid line). Analysis for cumulative event rate for death, acute coronary syndromes (ACS) or cerebrovascular accident (CVA) or transient ischaemic attack. Probability value is estimated by log rank statistic.
