Quantitative ultrasound of bone and calcium intake in suburban males in Sri Lanka

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Siribaddana, S. H.; Kovas, Yulia and Fernando, D. J. S.. 2008. Quantitative ultrasound of bone and calcium intake in suburban males in Sri Lanka. International Journal of Rheumatic Diseases, 11(4), pp. 407-413. ISSN 17561841 [Article]

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Official URL: http://dx.doi.org/10.1111/j.1756-185X.2008.00399.x

Abstract or Description

Background: While only 30% of all hip fractures occurred in Asia in 1990, more than 50% will occur by the year 2050. We investigated the relationship between the Stiffness Index (SI), assessed with quantitative ultrasound, and calcium intake in a cross-sectional survey of suburban males of different ages.

Methods: From 496 people who were invited, 274 participated (55%). A single operator performed quantitative ultrasound measurements at the right calcaneus using Lunar Achilles. We derived the Sri Lankan T-score values for SI. Calcium intake was measured using semiquantitative food frequency questionnaire to measure the previous 7 days intake.

Results: There was gradual decrease in mean SI from the age of 30 years. Eighty percent of the men between 21–40 years had normal T-scores. This percentage value fell to high 60s in men between 41–70 years. After 71 years, 35% had normal T-scores and 30% had T-scores less than –2.5. The mean calcium intake was 197 mg/day (95% CI 187–287 mg).

Conclusions: This is the first population-based study done in Sri Lanka regarding calcium intake and SI in males. Although few men had low T-scores according to SI after 40 years, bone health of elderly (after 71 years) is at risk levels. The overall prevalence of low SI was negligible (4%) even with low calcium intake. Age is the only factor that influenced SI.

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Article

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https://doi.org/10.1111/j.1756-185X.2008.00399.x