Table I.

Description of the patients undergoing lung resection including risk factors for lung disease (n = 24)

Variable	Category	Number	%
Sex	Male	11	45.8
	Female	13	54.2
Age (mean ± SD)		65.2 ±9.1 years (min. 43, max. 77)
BMI (mean ± SD)		27.5 ±4.3 kg/m² (min. 19.0, max. 37.1)
Education	ISCED 2	5	20.8
	ISCED 3	16	66.7
	ISCED 4-5	1	4.2
	ISCED 6-8	2	8.3
Histology	Non-malignant process	8	33.3
	Adenocarcinoma	9	37.5
	Squamous cell carcinoma	4	16.7
	Other	3	12.5
Surgery	Thoracoscopic lobectomy	14	58.4
	Thoracotomic lobectomy	2	8.3
	Thoracoscopic bilobectomy	1	4.2
	Thoracotomic bilobectomy	2	8.3
	Thoracoscopic resection	3	12.5
	Minithoracotomic resection	0	0
Lung cancer in the family	No	17	70.8
	Yes	7	29.2
Smoking	Non-smoker	11	45.8
	Smoker	6	25.0
	Ex-smoker	7	29.2
Passive smoking	No	40	78.4
	Yes, at home	9	17.7
	Yes, at work	2	3.9
Risk occupation	No	19	79.2
	Yes	5	20.8