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Influence of menopausal status and use of hormone replacement therapy on radiation dose from mammography in routine breast screening

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View larger version (12K): [in a new window]   Figure 1. Effect of menopausal status on mean glandular dose(MGD) per film. Error bars indicate 95% confidence levels from one-way ANOVA analysis.

View larger version (10K): [in a new window]   Figure 2. Effect of hormone replacement therapy(HRT) use on mean glandular dose (MGD) per film of post-menopausal women (grey bars) and pre- and peri-menopausal women combined (dark grey bar). "Never" indicates women who have never used HRT, "Previous" indicates women who have taken HRT in the past, but have now ceased HRT use, and "Current" indicates women currently taking HRT. Error bars indicate 95% confidence levels from one-way ANOVA analysis.

View larger version (9K): [in a new window]   Figure 3. Effect of current hormone replacement therapy(HRT) use on the mean glandular dose (MGD) per film of post-menopausal women. Error bars indicate 95% confidence levels and *** indicates highly significant difference (p<0.005) from one-way ANOVA analysis.

View larger version (11K): [in a new window]   Figure 4. Effect of type of hormone replacement therapy(HRT) on the mean glandular dose (MGD) per film of current HRT users. "Combined" indicates combined oestrogen and progesterone users. Error bars indicate 95% confidence levels from one-way ANOVA analysis.