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.
Log odds ratios for different histologies. Density estimates of predicted log odds ratios relative to a non-smoking profile, for different intensity and duration combinations. Line types denote different histologies: solid = all histologies, double dashed = adenocarcinoma, dotted = squamous and dashed = small cell. Time since cessation and pack-years treated as missing in pseudo-profiles.
