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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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Z score measures the bone mineral density compared to:
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The correct answer is  Z Score * Z score compares the patients BMD with that of adult of the same race, age and sex. Z Score indicates possible secondary osteoporosis. A Z Score of - 2 or below should trigger investigation for underlying disease.