TABLE 1

Basic demographic data and pre-existing comorbidities

Patients n78
Male56.4
Caucasian100
Age years65±14
BMI kg·m−229.4±4.9
Active smoker16.7
Former smoker46.2
Nonsmoker37.2
Hypertension70.5
Diabetes19.2
Coronary artery disease21.8
Asthma17.9
COPD10.3
Malignancy21.8

Data are presented as % or mean±sd, unless otherwise stated. BMI: body mass index.