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Bulimia Nervosa: Likelihood Ratios

Introduction: Binging plus/minus purging.

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Prevalence

Population / Calculator	Prevalence	Comments / Study / Link
Young Adult Females	1%	Int J Eat Disord. 2001 Nov;30(3):279-87. PMID: 11746287
500	10%
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The likelihood ratios of findings for Bulimia Nervosa are listed below. See the left navigation bar to change the display.

Pre-Test Probability (Prevalence): %.	Post-Test Probability (Predictive Value): %.	Switch to display mode.
Note that calculating probabilities from more than one** finding is inherently inaccurate because findings are not independent. (For example, using two positive findings that share a common pathogenesis is likely to overestimate the true probability.)