1.5. Analysis.
Comparison 1: Primary outcome: lung cancer‐related mortality, Outcome 5: Lung cancer‐related mortality – by time postscreening cessation (including unplanned time points)
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.