A study on the validity of quantitative ultrasonic measurement used the bone mineral density values on dual-energy X-ray absorptiometry in young and in middle-aged or older women.
The influence of age and physique on dual-energy X-ray absorptiometry (DXA) and quantitative ultrasound (QUS) was investigated in young, middle-aged, and older women. The validity of the bilateral calcaneal QUS values was investigated regarding the bone mineral density (BMD) values on DXA of the lumbar spine, left femoral neck, and left femur as the optimal standards. The subjects were 55 young women (19.6 +/- 1.0 years), and 152 middle-aged and older women (62.9 +/- 7.2 years). The BMD on DXA was significantly correlated with the bone strength on QUS in both young and middle-aged or older women, but the positive likelihood ratios of the standard QUS values recommended by the manufacturer to the optimum standards on DXA were low, suggesting that osteoporosis cannot be diagnosed or predicted by use of the QUS method. Combination with DXA is necessary, such as primary screening by QUS followed by secondary screening by DXA.
Iida
Tadayuki
T
Department of Public Health, Fujita Health University School of Medicine, 1-98 Dengakugakubo, Kutsukakecho, Toyoake, Aichi, 470-1192, Japan. iida@fujita-hu.ac.jp
Chikamura
Chiho
C
Aoi
Satomi
S
Ikeda
Hiromi
H
Matsuda
Yuko
Y
Oguri
Yoshito
Y
Ono
Yuichiro
Y
Katada
Kazuhiro
K
Ishizaki
Fumiko
F
D015502:Absorptiometry, Photon; D000293:Adolescent; D000368:Aged; D000375:Aging / Q000502:physiology; D015519:Bone Density; D001842:Bone and Bones / Q000000981:diagnostic imaging* / Q000502:physiology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D015203:Reproducibility of Results; D014463:Ultrasonography; D055815:Young Adult
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