Table 2.

Estimated percent reduction in mortality attributed to screening for selected cancer sites.

Cancer Site	Percent Reduction in Mortality (95% CI)1	Population	Reference
Female Breast	28-65 2	USA	Berry et al., 200523
Cervical	53 (23-72)	Sweden	Mählck et al., 199455
	35	Australia	Taylor et al., 200156
	36-75 3	USA	Austin, 200557
Prostate	27 (10-44)	7 European countries	Schröder et al., 200958
	0	USA	Andriole et al., 200959
Colorectal	33 (27-49)	USA (annual screening)	Mandel et al., 199960
	21 (3-38)	USA (biennial screening)	Mandel et al., 199960
	18 (1-32)	Denmark	Kronborg et al., 199661

¹CI = confidence interval

²Ranges from 7 different models, median value is 46

³Estimated ranges