| Titre : | Forearm bone mineral density by age in 7,620 men and women : The Tromso Study, a population-based study. (2001) |
| Auteurs : | Gro-Krosvold BERNTSEN ; Vinjar FONNEBO ; Jeanette-H MAGNUS ; Anne-Johanne SOGAARD ; Anne TOLLAN ; Institute of Community Medicine. University of Tromso. Tromso. NOR |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 153, n° 5, 2001) |
| Pagination : | 465-473 |
| Langues: | Anglais |
| Mots-clés : | Avant bras ; Os ; Ménopause ; Adulte ; Homme ; Personne âgée ; Epidémiologie |
| Résumé : | [BDSP. Notice produite par INIST 2qMR0xFT. Diffusion soumise à autorisation]. Population-based studies of adult forearm bone mineral density (BMD) by age are scarce, and standardized reference values are lacking. In this cross-sectional study, men aged 55-74 years, women aged 50-74 years, and representative 5-10% samples of remaining age groups between 25 and 84 years living in Tromso, Norway, were invited for forearm BMD measurement in 1994-199. The authors measured 3,062 men and 4,558 women (response rate, 78%) by single x-ray absoptiometry at distal and ultradistal forearm sites. Up to age 50, the mean BMD difference was - 0.1% per 1-year age group in both sexes. After age 50, the mean BMD difference per 1-year age group was - 0.6% in men and - 1.3% (distal) and - 1.5% (ultradistal) in women. The BMD by age curve was linear for men throughout senescence, but women had a slope change to - 0.7% (distal) and - 0.8% (ultradistal) per 1-year age group from the 65-to 69-year age group. BMD levels and BMD by age association in the general population (n=7,620) and in the population without bone-threatening diseases or medication (n=5,179) were similar. Only longitudinal studies can clarify whether cohort effects or longitudinal BMD development patterns explain these cross-sectional results. |
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