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Title: Corticomedular Index of the Right Tibia in the Diagnosis of Osteopenia in Prehistoric Skeletal Remains
Authors: Gonzalez-Reimers, E.
Velasco Vázquez, Francisco Javier 
Barros-Lopez, N.
Arnay-De-La-Rosa, M.
Santolaria-Fernandez, F.
Castilla-Garcia, A.
UNESCO Clasification: 51 Antropología
550501 Arqueología
32 Ciencias médicas
Keywords: No disponible.
Issue Date: 1998
Publisher: 1042-0533
Journal: American Journal of Human Biology 
Abstract: This study examined the diagnostic accuracy of the corticomedular index obtained at the midpoint of the shaft of right tibia as an indicator of osteopenia in a prehistoric sample composed of 133 individuals. Osteopenia was assessed by a histomorphometrical measure of trabecular bone volume (TBV) in an undecalcified bone section of a small part of the proximal epiphysis to: Mild, moderate, and severe osteopenia were defined as TBV values less than 17.5%, 15%, and 12.5%, respectively. The corticomedular index (CI) was determined on X-ray films of the tibiae. Mean TBV of the sample was 17.93 ± 4.97%, it was moderately correlated with CI (r = 0.43, p < 0.0001). CI values under 0.20 showed high specificity in the diagnosis of all degrees of osteopenia, whereas CI values under 0.275 showed relatively high sensitivity (90.4%) in the diagnosis of severe osteopenia. These methods were then prospectively applied in a further sample of 41 right tibiae also from a prehistoric sample of Gran Canaria. The results were similar to those in the larger sample. Thus, CI may be a useful tool in detecting osteopenia in earlier populations. Am. J. Hum. Biol. 10:37-44, 1998
ISSN: 1042-0533
Source: American Journal of Human Biology[ISSN 1042-0533],v. 10, p. 37-44
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