Bone mineral densitometry in clinical practiceBMJ 1995; 311 doi: http://dx.doi.org/10.1136/bmj.311.7015.1300b (Published 11 November 1995) Cite this as: BMJ 1995;311:1300
- Andrew Simmons,
- Sally Barrington,
- Michael J O'Doherty,
- Anthony J Coakley
- Lecturer Senior registrar Consultant Director East Kent Osteoporosis Screening and Research Unit, Kent and Canterbury Hospital, Canterbury, Kent CT1 3NG
Differences in reference values are important
EDITOR,--J E Compston and colleagues emphasise the merits of assessing bone density in patients relative to that in young adults (the T score) rather than relative to that in controls matched for age (the Z score), on the basis of the recommendations of an expert panel of the World Health Organisation.1 Consensus on this issue, however, is still lacking,2 and the T score has not been widely used clinically in Britain, where comparisons with controls matched for age still dominate.
Among the limitations of bone densitometry …
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