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Unformatted text preview: The prevalence of the disease The seriousness of the disease Ability to test again Costs and consequences of work-up Resources available Sensitivity and Specificity usually inversely related Set screening cut-offs to yield sensitivity of 100% if adequate resources to address and no problems or side effects associated with testing. Improving the Sensitivity of Screening Tools Change the threshold for indicators of high risk When is a High Specificity Desirable? • Diagnostic work-up is costly or risky • Disease progresses slowly, can screen again • Disease is not contagious • Resources are limited Questions: Why does Shands at UF do a second screening by Food and Nutrition Services staff after the nursing screen? Why do hospitals differ in their screening criteria? In a hospital screening tool – do we want a high sensitivity or a high specificity?...
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- Spring '08
- Type I and type II errors, nutrition screening, Sensitivity of Screening Tools