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.
Relationship between smoking status and total skin quality scores: A) Comparison of total skin quality scores by smoking status (one-way ANOVA followed by Bonferroni post hoc test); B) Estimation of the cut-off value at which active smokers begin to experience a deterioration in total skin quality score (ROC analysis)
