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Calcif Tissue Int. 2000 Jan;66(1):47-52.

Vertebral deformity in chinese men: prevalence, risk factors, bone mineral density, and body composition measurements.

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Department of Community and Family Medicine, The Chinese University of Hong Kong, Lek Yuen Heath Centre, Shatin, N.T., Hong Kong.


The prevalence and risk factors for vertebral deformity were studied in 396 community-dwelling Chinese men aged 70-79 years. Anterior to posterior (H(a)/H(p)), middle to posterior (H(m)/H(p)) and posterior to posterior (H(p)/H(p - 1) or H(p)/H(p + 1)) ratios from T5 to L5 were derived from lateral spine X-ray films, using standardized digitization methods. Using values of 3 standard deviations (SD) or more below the mean and 4 SD or more below the mean as the cutoff, 16% and 7% of these men, respectively, were deemed to have one or more deformed vertebra. Heavy cigarette smoking, heavy alcohol consumption, and working as a heavy manual worker were risk factors for vertebral deformity. Men with severe vertebral deformity (VHR < mean - 4 SD below mean) had much lower body weight, fat mass, and bone mineral density (BMD) than controls. The odds ratios for severe vertebral deformity was 9.9 (95% CI 2.1-45.7) in the lowest quartile of femoral neck BMD.

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