Table 1.

Main characteristics of patients (n = 406)

Age at diagnosis, years (mean + SD)	68.9 ± 9.8
Gender, male	76.6 %
Smoking status (n = 367)
Never smoker, n (%)	152 (42.4 %)
Current smoker, n (%)	36 (9.8 %)
Past smoker, n (%)	179 (48.8 %)
Pack-years, mean ± SD	28 ± 17.1
Medical history, n (%)
Cancer	40 (9.8 %)
Chronic obstructive pulmonary disease	17 (4.2 %)
Cardiovascular disorders	69 (17.0 %)
High blood pressure	153 (37.7 %)
Neurovascular disorders	15 (3.7 %)
Asbestosis	7 (1.1 %)
Diabetes mellitus	54 (13.0 %)
Symptomatic at diagnosis (n = 373), n (%)
Yes	347 (93.0 %)
Dyspnea	248 (71.5 %)
Thoracic pain	154 (44.4 %)
Other	158 (45.5 %)
Exposure to asbestos (n = 406), n (%)	259 (63.8 %)
Type of exposure (n = 259)
Professional	251 (96.9 %)
Environmental	8 (3.1 %)