Z score measures the bone mineral density compred to ?
Age, Race and sex matched individuals
Race and sex matched individuals
Sex matched individuals
None of the above
Ans. is 'a' i.e., Age, Race and sex matched individuals T Score and Z score are the measures of bone mineral density. Z score : Measures the bone mineral density in terms standard detion from the mean bone mineral density of age, race and sex matched individuals. T score : Measures the bone mineral density in terms standard detion from the mean bone mineral density of race and sex matched individuals of normal younger age group.