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What is Z score measures the bone mineral density compred to - and explain in detail?
A Z-score compares your bone density to the average values for a person of your same age and gender. A low Z-score (below -2.0) is a warning sign that you have lessbone mass (and/or may be losingbone more rapidly) than expected for someone your age. Ref essential ohopaedic maheshwari and mhaskar 9TH ED