Clinical Study

Volumetric Breast Ultrasound as a Screening Modality in Mammographically Dense Breasts

Figure 1

Breast cancer staging and risk assessment by screening method detection. Box plots comparing case patients and control subjects according to age, (a) through (d). Tumor sizes are shown as a function of the odds ratio, relative risk, and attributable risk for each age category. Bars represent the highest and lowest observed values with respect to individual variables (individually labeled with arrows).
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(a) Patients less than 50 years
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(b) Patients 50 to 69 years
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(c) Patients 70 years or greater
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(d) All Ages