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Bone Mineral Content in Infants: Which Machine or Which Bone?-Reply

Bone Mineral Content in Infants: Which Machine or Which Bone?-Reply This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables. Abstract In Reply.—In testing the humerus as a site for BMC measurements, we used the commercially available instrument we had (Norland 278A). We are therefore referring to measurements performed with a specific instrument. We have not performed the study using other instruments, but, as far as we know, this has not been done by others either. If the BMC at the humerus and radius sites were measured by another instrument (eg, Lunar instrument), we believe that our studies would be confirmed by the "more sensitive" instrument. The coefficient of variation in our article referred to the variability of repositioning, together with the variability between two different investigators. This cannot be compared with the repositioning variability of one investigator, which was apparently the case in the article by Greer et al. In our studies, the coefficient of variation for the measurement, done by one investigator in the postmortem studies, was 3.6%, http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png American Journal of Diseases of Children American Medical Association

Bone Mineral Content in Infants: Which Machine or Which Bone?-Reply

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Bone Mineral Content in Infants: Which Machine or Which Bone?-Reply

Abstract

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables. Abstract In Reply.—In testing the humerus as a site for BMC measurements, we used the commercially available instrument we had (Norland 278A). We are therefore referring to measurements performed with a specific instrument. We have not performed the study using other instruments, but, as far as we know, this has not been done by others either. If the BMC...
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Publisher
American Medical Association
Copyright
Copyright © 1988 American Medical Association. All Rights Reserved.
ISSN
0002-922X
DOI
10.1001/archpedi.1988.02150090017012
Publisher site
See Article on Publisher Site

Abstract

This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables. Abstract In Reply.—In testing the humerus as a site for BMC measurements, we used the commercially available instrument we had (Norland 278A). We are therefore referring to measurements performed with a specific instrument. We have not performed the study using other instruments, but, as far as we know, this has not been done by others either. If the BMC at the humerus and radius sites were measured by another instrument (eg, Lunar instrument), we believe that our studies would be confirmed by the "more sensitive" instrument. The coefficient of variation in our article referred to the variability of repositioning, together with the variability between two different investigators. This cannot be compared with the repositioning variability of one investigator, which was apparently the case in the article by Greer et al. In our studies, the coefficient of variation for the measurement, done by one investigator in the postmortem studies, was 3.6%,

Journal

American Journal of Diseases of Children – American Medical Association

Published: Sep 1, 1988

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