Their mean age was 62 years, 70% of them were men, 45% were ex-smokers and 13% had a previous history of chronic obstructive pulmonary disease COPD.
La media de edad fue de 62 años, siendo 70% del sexo masculino, 45% ex-fumadores y 13% de los pacientes presentando historia previa de EPOC.
A média de idade foi de 62 anos, sendo 70% do sexo masculino, 45% ex-fumantes e 13% dos pacientes apresentando história prévia de DPOC.