How is the Agreement of DXA and QUS of Phalanx in Defining Osteoporosis in Healthy Postmenopausal Women

AUTHORS

m Sedaghat 1 , * , z Hamidi 2 , a Soltani 2 , A Hossein Nezhad 2 , E Rahimi 2 , b Larijani 2

1 Social medical, faculty of medicine, Tehran University of Medical Sciences and health services, Tehran, Iran.

2 Endocrinology and Metabolism Research Center, Tehran University of Medical Sciences and health services, Tehran, Iran.

How to Cite: Sedaghat M, Hamidi Z, Soltani A, Hossein Nezhad A, Rahimi E, et al. How is the Agreement of DXA and QUS of Phalanx in Defining Osteoporosis in Healthy Postmenopausal Women, Zahedan J Res Med Sci. 2003 ; 5(2):e95150.

ARTICLE INFORMATION

Zahedan Journal of Research in Medical Sciences: 5 (2); e95150
Published Online: June 23, 2003
Article Type: Research Article
Received: June 11, 2003
Accepted: June 19, 2003
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Abstract

QUS (Quantitative Ultrasound) of phalanx is a noninvasive, inexpensive and portable
method for bone mineral densitometry. It seems it measures some other parameters in
addition to BMD, like elasticity and micro architecture. This study designed to determine
the agreement of DXA and QUS of phalanx in Defining Osteoporosis in Healthy
Postmenopausal Women Using DXA, BMD of lumbar spine and
Different areas of left femur and using QUS, BMD of phalanx was measured in 180
healthy postmenopausal women. The diagnostic agreement between the two techniques in
identifying osteoporosis was assessed using kappa scores. According to the World Health
Organization definitions, Osteoporosis found in 28.8% of cases with DXA method (18.3%
in L2-L4 and 3.9%-7.8% in different region of femur) and in 28.9% of cases with Phalanx
ultrasonography). Kappa score was 0.317 for lumbar region and 0.036-0.068 for
different regions femur.
Results of this study show a weak to moderate agreement of two methods in diagnosis
of osteoporosis. It means QUS of phalanx can’t be used as a replacement for DXA
method but could be used as a screening method for finding osteoporotic cases.

© 2003, Zahedan Journal of Research in Medical Sciences. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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