Tobacco addiction and consumption n=71
The smoking period Smokers 66 (93%)
<40 years 37 (52%)
≥40 years 29 (41%)
Non-smokers 5 (7%)
The amount of cigarettes smoked 10-15 cigarettes per day 6 (8%)
20 cigarettes per day (1 pack) 43 (61%)
30-40 cigarettes per day (1,5-2 packs) 17 (24%)
Pack Years (PYs) Up to 40 PYs 30 (42%)
≥40 PYs 36 (51%)
Table 1: Characterization of the studied NSCLC patients regarding their tobacco addiction and consumption (amount of cigarettes smoked per day and PYs).