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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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\r\nThe same screening test is applied to two comuunities X and Y; Y shows more false +ve cases as compared to X. The possibility is:
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The correct answer is  The number of false positives will be more, when the prevalence is less because, the predictive value of a test and hence its ability to identify the true positive is decreased. Therefore Y shows more false positives because the prevalence of disease in question in Y community is low. Ref: Park's Textbook of Preventive and Social Medicine By K. Park, 19th Edition, Page 119