Effect of aging on calcaneus bone mineral density measured by p-DEXA method

V. B. Suman, N. K. Subbalakshmi, B. Ganaraja, P. S. Jeganathan

Research output: Contribution to journalArticle

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Abstract

Objective P-DEXA calcaneus bone mineral density measurement is widely accepted as a screening tool for osteoporosis but it's utility in evaluating determinants of bone mineral density (BMD) is inconclusive. We evaluated the utility of calcaneus p-DEXA scan in assessing the age-related changes in BMD. Methods This study was a hospital based cross-sectional study done in 106 females and 67 males. The age of study subjects ranged from 19-80 years. BMD of heel was measured by p-DEXA technique. T-score was estimated by plotting the BMD value against the subject's age. Osteoporosis was considered when t-score was less than-1. 6. Statistical tests applied were Pearson correlation, student's t, one-way ANOVA and x2 tests. P value less than 0. 05 was considered significant. Results In females significant negative correlation was found between age and BMD (r =- 0. 3, P < 0. 01), mean BMD of above 50 years was significantly less compared to below 50 years age group (P <0. 005), there was significant difference in BMD between 10 years class intervals of age. In combined male and female group,frequency of osteoporosis was significantly higher in above 50 years age group compared to below 50 years (X = 11.506, P< 0. 001). Among the osteoporotic subjects aged above 50 years, 70. 83% were females. In males, association between age and BMD was insignificant. Conclusion Our data suggests that the p-DEXA measurement of calcaneus is an effective tool in evaluating age-related changes in bone mineral density in females.

Original languageEnglish
Pages (from-to)273-278
Number of pages6
JournalJournal of Chinese Clinical Medicine
Volume5
Issue number5
Publication statusPublished - 16-07-2010

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Calcaneus
Bone Density
Osteoporosis
Age Groups
Heel
Photon Absorptiometry
Analysis of Variance
Cross-Sectional Studies
Students

All Science Journal Classification (ASJC) codes

  • Medicine(all)

Cite this

Suman, V. B. ; Subbalakshmi, N. K. ; Ganaraja, B. ; Jeganathan, P. S. / Effect of aging on calcaneus bone mineral density measured by p-DEXA method. In: Journal of Chinese Clinical Medicine. 2010 ; Vol. 5, No. 5. pp. 273-278.
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abstract = "Objective P-DEXA calcaneus bone mineral density measurement is widely accepted as a screening tool for osteoporosis but it's utility in evaluating determinants of bone mineral density (BMD) is inconclusive. We evaluated the utility of calcaneus p-DEXA scan in assessing the age-related changes in BMD. Methods This study was a hospital based cross-sectional study done in 106 females and 67 males. The age of study subjects ranged from 19-80 years. BMD of heel was measured by p-DEXA technique. T-score was estimated by plotting the BMD value against the subject's age. Osteoporosis was considered when t-score was less than-1. 6. Statistical tests applied were Pearson correlation, student's t, one-way ANOVA and x2 tests. P value less than 0. 05 was considered significant. Results In females significant negative correlation was found between age and BMD (r =- 0. 3, P < 0. 01), mean BMD of above 50 years was significantly less compared to below 50 years age group (P <0. 005), there was significant difference in BMD between 10 years class intervals of age. In combined male and female group,frequency of osteoporosis was significantly higher in above 50 years age group compared to below 50 years (X = 11.506, P< 0. 001). Among the osteoporotic subjects aged above 50 years, 70. 83{\%} were females. In males, association between age and BMD was insignificant. Conclusion Our data suggests that the p-DEXA measurement of calcaneus is an effective tool in evaluating age-related changes in bone mineral density in females.",
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Suman, VB, Subbalakshmi, NK, Ganaraja, B & Jeganathan, PS 2010, 'Effect of aging on calcaneus bone mineral density measured by p-DEXA method', Journal of Chinese Clinical Medicine, vol. 5, no. 5, pp. 273-278.

Effect of aging on calcaneus bone mineral density measured by p-DEXA method. / Suman, V. B.; Subbalakshmi, N. K.; Ganaraja, B.; Jeganathan, P. S.

In: Journal of Chinese Clinical Medicine, Vol. 5, No. 5, 16.07.2010, p. 273-278.

Research output: Contribution to journalArticle

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AU - Jeganathan, P. S.

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N2 - Objective P-DEXA calcaneus bone mineral density measurement is widely accepted as a screening tool for osteoporosis but it's utility in evaluating determinants of bone mineral density (BMD) is inconclusive. We evaluated the utility of calcaneus p-DEXA scan in assessing the age-related changes in BMD. Methods This study was a hospital based cross-sectional study done in 106 females and 67 males. The age of study subjects ranged from 19-80 years. BMD of heel was measured by p-DEXA technique. T-score was estimated by plotting the BMD value against the subject's age. Osteoporosis was considered when t-score was less than-1. 6. Statistical tests applied were Pearson correlation, student's t, one-way ANOVA and x2 tests. P value less than 0. 05 was considered significant. Results In females significant negative correlation was found between age and BMD (r =- 0. 3, P < 0. 01), mean BMD of above 50 years was significantly less compared to below 50 years age group (P <0. 005), there was significant difference in BMD between 10 years class intervals of age. In combined male and female group,frequency of osteoporosis was significantly higher in above 50 years age group compared to below 50 years (X = 11.506, P< 0. 001). Among the osteoporotic subjects aged above 50 years, 70. 83% were females. In males, association between age and BMD was insignificant. Conclusion Our data suggests that the p-DEXA measurement of calcaneus is an effective tool in evaluating age-related changes in bone mineral density in females.

AB - Objective P-DEXA calcaneus bone mineral density measurement is widely accepted as a screening tool for osteoporosis but it's utility in evaluating determinants of bone mineral density (BMD) is inconclusive. We evaluated the utility of calcaneus p-DEXA scan in assessing the age-related changes in BMD. Methods This study was a hospital based cross-sectional study done in 106 females and 67 males. The age of study subjects ranged from 19-80 years. BMD of heel was measured by p-DEXA technique. T-score was estimated by plotting the BMD value against the subject's age. Osteoporosis was considered when t-score was less than-1. 6. Statistical tests applied were Pearson correlation, student's t, one-way ANOVA and x2 tests. P value less than 0. 05 was considered significant. Results In females significant negative correlation was found between age and BMD (r =- 0. 3, P < 0. 01), mean BMD of above 50 years was significantly less compared to below 50 years age group (P <0. 005), there was significant difference in BMD between 10 years class intervals of age. In combined male and female group,frequency of osteoporosis was significantly higher in above 50 years age group compared to below 50 years (X = 11.506, P< 0. 001). Among the osteoporotic subjects aged above 50 years, 70. 83% were females. In males, association between age and BMD was insignificant. Conclusion Our data suggests that the p-DEXA measurement of calcaneus is an effective tool in evaluating age-related changes in bone mineral density in females.

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