Figure 2

Estimated reduction in cancer deaths per 10,000 due to periodic cancer (with 95% confidence interval). MCCCS-1 is Minnesota Colorectal Cancer Control Study, ages 50 to 71, annual screens, MCCCS-2 is Minnesota Colorectal Cancer Control Study ages 50 to 71, bienniel screens, HIP is Health Insurance Program study of annual breast cancer screening, ages 40 to 64, MLP is Mayo Lung Project, ages 51 to 69 with screens every 4 months. Positive numbers on the horizontal axi represent cancer deaths averted; negative numbers represent excess cancer deaths from screening.