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13 Cards in this Set
- Front
- Back
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ecologic fallacy: defn
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inferences about the nature of specific individuals are based solely upon aggregate statistics collected for the group to which those individuals belong
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What happens in case control study?
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• Cases have “disease” in question
• Controls reflect the population cases come from, not the general population • Controls must have ability to become a “case” |
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When do you use case control studies?
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• Diseases with long-latency periods,
rare diseases • Small sample size • Can evaluate multiple exposures • Efficient in time and costs |
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Ratio of incidence in exposed persons (cases) to the ratio of incidence in unexposed persons (controls)
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Relative risk
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2 main categories of bone marrow transplant
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1) Autologous
2) Allogeneic |
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What is tissue typed in allogeneic HSCT?
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6 HLA antigens
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Period between detection by screening and when symptoms would have lead to diagnosis; can make ineffective test look good.
Diagnoses the diease earlier, but doesn't improve survival |
lead time bias
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Main component of ideal screening test
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Cause-specific mortality must be decreased
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What can prevent length time bias?
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randomization
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T/F most organizations support annual/regular screening for prostate cancer
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F
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First line pharmacotherapy for smoking cessation
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nicotine replacement therapy
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T/F Tamoxifen is effective for reducing risk of invasive breast cancer in high risk groups
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T
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Women who took Tamoxifen had increased risk of what?
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2.53 greater risk of developing endometrial cancer
Increased risk of thrombosis, pulmonary embolism |
