Table 2:

Observed lung cancer incidence and mortality during 6308 person-years of observation in a high-risk population recruited to CT-screening trial in comparison with expected incidence and mortality in the Italian general population (low risk)

ICD9: Ninth version of the International Classification of Diseases (WHO); SIR: standardized incidence rate; SMR: standardized mortality rates; CI: confidence intervals.

^*Liver cirrhosis (n = 2), car accident (n = 2), foot gangrene (n = 1), renal insufficiency (n = 1), unknown (n = 2).