Z score measures the bone mineral density compred to -
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
Age, Race and sex matched individuals
Race and sex matched individuals
Sex matched individuals
None of the above
Metabolic and endocrine disorders