[Use of COPD-6 Vitalograph in primary care as tool for smoking cessation]

This study assessed the evolution of the smoking cessation process using the Vitalograph COPD-6 device in smokers enrolled at a primary care practice (n=176) and a smoking cessation practice (n=33) in Spain. Lung function tests undertaken in the study included FEV1, FEV6, and FEV1/FEV6 ratio.