Demographic, laboratory and clinical parameters were collectedatenrolment and at the time of the thrombotic event.
2
Methods: From a study on lung cancer in the EPIC cohort, questionnaire information on smoking was collectedatenrolment, and cotinine was measured in serum.
3
Forty-two symptomatic smokers and 42 COPD patients underwent pulmonary function tests; sputum samples were collectedatenrolment, and 6 months after smoking cessation.