Telomere length and risk of lung cancer: results for overall study and stratifying by years from enrollment to case diagnosis.

†Telomere length categorized using tertiles in controls as cut-points.*NCo indicates number of controls; and NCa, number of cases.£Odds ratios computed using conditional logistic regression adjusted for age and ever smoking.‡P trend calculated by using log transformed telomere length as continuous variable, adjusted for age and ever smoking.