Table 2. Benefits of screening.

Scenario	Lung cancers detected at an early stage (stage I-II) %	Lung cancer mortality reduction %	Absolute number of lung cancer deaths averted per 100,000	Life-years gained per 100,000	Life-years gained per lung cancer death averted	Screens per life-year gained	Screens per lung cancer death averted
USPSTF (ever eligible only)	59.4%	32.7%	4,305	51,035	11.9	30	353
Never-smokers at average risk	65.8%	37.1%	354	3,669	10.4	594	6,162
Never-smokers at 2 times average risk	65.9%	37.0%	706	7,332	10.4	296	3,075
Never-smokers at 5 times average risk	65.8%	37.0%	1,764	18,359	10.4	117	1,216
Never-smokers at 10 times average risk	65.8%	37.1%	3,541	36,809	10.4	57	593
Never-smokers at 15 times average risk	65.8%	37.1%	5,322	55,247	10.4	37	387
Never-smokers at 20 times average risk	65.8%	37.1%	7,118	73,892	10.4	27	283
Never-smokers at 35 times average risk	65.9%	37.3%	12,509	129,786	10.4	15	151

Table notes: Abbreviations: United States Preventive Services Task Force (USPSTF)