Table 1.

Characteristics of lung cancer patients and controls

	Patients (n=154)		Controls (n=249)
	n	Percentage	n	Percentage
Female	20	13.0	169	67.9
Male	134	87.0	80	32.1
Total	154	100.0	249	100.0
Mean ± SD	62.5±10.7		50±17.8
NSCLC Epidermoid	78	50.6
NSCLC Adenocarcinoma	50	32.5
Small-cell lung cancer (SCLC)	14	9.1
Not stated	12	7.8
Total	154	100.0
I	22	114.3
II	15	9.7
III	56	36.4
IV	48	31.2
Not stated	13	8.4
Total	154	100.0
Yes	47	30.5
No	94	61.0
Not stated	13	8.5
Total	154	100.0