Table 5.

Incremental cost-effectiveness lung cancer screening by National Lung Screening Trial subgroup

Characteristics		Number of participants	Incremental costs (U.S. $)	Incremental QALYs	Cost per QALY (U.S. $)
Sex	Male	31,446	1,683	0.0115	147,000
	Female	21,856	1,557	0.0340	46,000
Age at entry	55–59	22,773	1,541	0.0101	152,000
	60–64	16,333	1,520	0.0320	48,000
	65–69	9,504	1,900	0.0351	54,000
	70–74	4,685	1,905	0.0163	117,000
Smoking status	Former	27,643	1,661	0.0027	615,000
	Current	25,659	1,601	0.0369	43,000
Risk of lung cancer	First quintile	10,660	1,453	0.0086	169,000
	Second quintile	10,661	1,454	0.0118	123,000
	Third quintile	10,660	1,651	0.0061	269,000
	Fourth quintile	10,661	1,672	0.0515	32,000
	Fifth quintile	10,660	1,851	0.0354	52,000

Abbreviations: QALY = quality-adjusted life year

Data from Black WC, et al. New Engl J Med 2014:371:1793