Table 2.

Tuberculosis and lung cancer risk by histology among men in the ATBC Study, 1985–2005

Lung cancer casesIncidence rate, per 100,000 person-yearsHRa95% CI
All lung cancers
 No tuberculosis3,0587371.0
 Tuberculosis441,7861.971.46–2.65
Squamous cell carcinoma
 No tuberculosis7671971.0
 Tuberculosis219173.712.40–5.72
Adenocarcinoma
 No tuberculosis254661.0
 Tuberculosis31361.710.55–5.35
Small cell carcinoma
 No tuberculosis4221091.0
 Tuberculosis52261.720.71–4.15
Other cancer histology
 No tuberculosis4571181.0
 Tuberculosis41801.230.46–3.28
Unknown cancer histology
 No tuberculosis1,1582881.0
 Tuberculosis114691.350.75–2.45
  • aAll HRs were adjusted for age and baseline tobacco use using the log cig-years metric (see the Materials and Methods section).