J Med Assoc Thai 2001; 84 (4):566

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The Accuracy of Bone Mineral Density at Distal Radius on Non-Forearm Osteoporosis Identification
Trivitayaratana W Mail, Trivitayaratana P

WANNA TRIVITAYARA TANA, M.D.*,
PI CHIT TRIVITA Y ARA TANA, M.Sc.
*
The accuracy of BMD at distal radius was evaluated in terms of sensitivity,
specificity, false negative, false positive, predictive value of a positive (osteoporosis) and
a negative (normal) test for non-forearm osteoporosis. 278 women (150 osteoporotic and
128 normal) were measured for both distal radius bone mineral density (BMD) using
Panasonic (DXA-70) dual energy X-ray absorptiometry (DEXA) and non-forearm BMD
using Hologic (QDR-4500) DEXA on the same day. The results showed that mean age,
menopause age, height and weight in the osteoporotic group were not different from the
healthy group (p=0.168, 0.091, 0.274 and 0.097, respectively). Mean BMD of both
distal radius and lumbar spine in the normal women was significantly higher than that in
the osteoporotic group (p

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