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IJSTR >> Volume 4 - Issue 11, November 2015 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Peak Bone Mineral Density Of Bangladeshi Men And Women

[Full Text]



Dilruba Akhter Banu



Index Terms: Bone mineral density (BMD), bootstrapping, DXA, femoral neck, lumbar spine, osteoporosis, peak bone mineral density (pBMD).



Abstract: Osteoporosis is a disease that causes bones to become weak and brittle. It affects 55% of Americans aged 50 or above, of which about 80% are women. Millions of fractures occur annually. An effective way of preventing osteoporosis is to maximize the attainment of peak bone mineral density (pBMD). Thus the knowledge of average pBMD that prevails in a nation is very important. Not much study appears to have been done on the subject in Bangladesh. 170 Bangladeshi patients and volunteers were studied at nuclear medicine centers of Comilla and Rajshahi. Bone mineral densities (BMD) at different sites of the skeleton were measured using Dual Energy X-ray Absorptiometer (DXA). Graphs of Age versus BMD were plotted. Data was fitted with the help of polynomials. The best fit was obtained with polynomials of degree 4 in each case. By using bootstrapping method a large number of samples were generated and pBMD was obtained from each of the samples. Mean value of the pBMD was then calculated. pBMD values of the male patients were found to be slightly greater than those of the females. During puberty gender differences become more expressed. After the age of 50 females lose bones more rapidly and quantitatively than males. Bangladeshis seem to belong to the group of nations having low pBMDs.



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