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Variation in the Ef...
Variation in the Efficacy of Hormone Replacement Therapy in the Prevention of Hip Fracture
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- Michaëlsson, Karl, 1959- (författare)
- Uppsala universitet,Institutionen för kirurgiska vetenskaper,Orthopaedics
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Baron, J.A. (författare)
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Johnell, O. (författare)
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Persson, I. (författare)
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- Ljunghall, Sverker (författare)
- Uppsala universitet,Institutionen för medicinska vetenskaper,osteo
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(creator_code:org_t)
- Springer Science and Business Media LLC, 1998
- 1998
- Engelska.
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Ingår i: Osteoporosis International. - : Springer Science and Business Media LLC. - 0937-941X .- 1433-2965. ; 8:6, s. 540-546
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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http://kipublication...
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Abstract
Ämnesord
Stäng
- Use of postmenopausal hormone replacement therapy (HRT) has been associated with a reduced risk of osteoporotic fractures. However, it is uncertain whether this risk reduction is modified by other risk factors for hip fracture. In a population-based case-control study in Sweden, we investigated the association between HRT and hip fracture risk within categories of age, body measures and lifestyle factors in postmenopausal women, 50-81 years of age. Mailed questionnaires and telephone interviews were used to collect data. Of those eligible, 1328 incident cases with hip fracture (82.5%) and 3312 randomly selected controls (81.6%) answered the questionnaire. Ever use of HRT in women less than 75 years old was associated with an odds ratio (OR) of 0.66 (95% confidence interval: 95% CI 0.50-0.87) for hip fracture compared with OR 0.40 (95% CI 0.21-0.77) in women 75 years or older. We found a significant interaction between HRT and both weight and physical activity (p < 0.05). The protective effect of HRT was particularly pronounced in lean women: compared with never HRT users, ever users weighing under 60 kg had an OR of 0.44 (95% CI 0.30-0.66) whereas women weighing more than 70 kg had an OR of 0.91 (95% CI 0.53-1.56). Women with low recent leisure physical activity (less than 1 h/week) similarly benefited more from HRT for hip fracture prevention than women with a higher degree of recreational physical activity. The observed interactions with weight and physical activity suggest that HRT has the best protective effect against hip fracture among high-risk women.
Nyckelord
- Estrogen
- Hip fracture
- Hormone replacement therapy
- Interaction
- Physical activity
- Weight
- MEDICINE
- MEDICIN
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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