Z score measures the bone mineral density compred to -: (A) Age, Race and sex matched individuals, (B) Race and sex matched individuals, (C) Sex matched individuals, (D) None of the above
Answer is A. 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