Details of the mortality follow-up protocol for
each cohort are available in Section 1 in the Supplementary Appendix. The Surgeon General finds the
evidence sufficient to include 21 disease categories in the formal list of diseases caused by smoking.
1
We examined each of these individually except for cervical cancer, which occurred only
rarely in this cohort. Additional causes of death
were categorized into 10 broad coding groups in
the International Classification of Diseases, 10th Revision(ICD-10). We examined any specific outcome
that accounted for at least 20 deaths among current smokers of either sex. Outcomes accounting
for fewer deaths were aggregated within each
broad ICD-10 grouping. The final analysis included
52 outcomes, including death from any cause,