Serum 25-hydroxyvitamin D concentrations and risk for hip fractures.
Serum 25-hydroxyvitamin D concentrations and risk for hip fractures.
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DOI:
10.7326/0003-4819-149-4-200808190-00005
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发表时间:
2008-08-19
影响因子:
39.2
通讯作者:
Cummings SR
中科院分区:
文献类型:
--
作者:
Cauley JA;Lacroix AZ;Wu L;Horwitz M;Danielson ME;Bauer DC;Lee JS;Jackson RD;Robbins JA;Wu C;Stanczyk FZ;LeBoff MS;Wactawski-Wende J;Sarto G;Ockene J;Cummings SR
The association between and vitamin D levels and fractures is uncertain. To test the hypothesis that serum 25-hydroxyVitamin D (25(OH) vitamin D) levels are associated with the risk of hip fracture in community dwelling women. Nested case-control study. 40 US clinical centers. We studied 400 cases of incident hip fractures and 400 controls matched on age, race/ethnicity and date of blood draw (average follow-up time, 7.1 years). Subjects were selected from 39,795 postmenopausal women without previous hip fractures, not using estrogens or other bone-active therapies. Serum 25(OH) vitamin D was measured on baseline serum using radioimmunoassay with DiaSorin reagents and divided into quartiles. Conditional logistic regression was used to estimate the odds ratio with 95% confidence intervals (CI). Multivariable models included age, body mass index, parental and personal history of fractures, smoking, alcohol and calcium intake, geographic location and corticosteroid use. The mean (standard deviation, SD) 25(OH) vitamin D (nM) was lower in cases, 56.2(20.3) compared to controls, 59.7(18), p=0.007. A 25 nM (10ng/ml) decrease in 25(OH) vitamin D was associated with a 33% increased risk of hip fracture (odds ratio=1.33; 95%CI,1.06, 1.68) in multivariable models. Compared to women with 25(OH) vitamin D ≥70.7 nM (Quartile 4), the odds ratio of hip fracture was 1.71 (1.05, 2.79), 1.09 (0.70, 1.71) and 0.82 (0.51, 1.31) in women with 25(OH) vitamin D <47.5 nM, 47.5 to 60 nM, 60 to <70 nM, respectively, p trend =0.015. This association was in part mediated by a marker of bone resorption but remained statistically significant. Adjustment for falls, physical function, frailty, renal function, or sex steroid hormones had no effect on this association. No measure of bone density. Low serum 25(OH) vitamin D concentrations are associated with a higher risk of hip fracture. Measurement of 25(OH) vitamin D may be useful in identifying women at high risk of hip fracture.
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影响因子:
158.5
作者:
Cummings, SR;Browner, WS;Ettinger, B
通讯作者:
Ettinger, B
影响因子:
4.1
作者:
Macdonald, Helen M.;Mavroeidi, Alexandra;Reid, David M.
通讯作者:
Reid, David M.
影响因子:
5.8
作者:
Colin, EM;Uitterlinden, AG;Pols, HAP
通讯作者:
Pols, HAP
影响因子:
5.6
作者:
Anderson, GL;Manson, J;Prentice, RL
通讯作者:
Prentice, RL
影响因子:
5.8
作者:
Holick, MF;Siris, ES;de Papp, AE
通讯作者:
de Papp, AE