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- Kupers, LK, et al.
(författare)
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Meta-analysis of epigenome-wide association studies in neonates reveals widespread differential DNA methylation associated with birthweight
- 2019
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Ingår i: Nature communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 10:1, s. 1893-
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Tidskriftsartikel (refereegranskat)abstract
- Birthweight is associated with health outcomes across the life course, DNA methylation may be an underlying mechanism. In this meta-analysis of epigenome-wide association studies of 8,825 neonates from 24 birth cohorts in the Pregnancy And Childhood Epigenetics Consortium, we find that DNA methylation in neonatal blood is associated with birthweight at 914 sites, with a difference in birthweight ranging from −183 to 178 grams per 10% increase in methylation (PBonferroni < 1.06 x 10−7). In additional analyses in 7,278 participants, <1.3% of birthweight-associated differential methylation is also observed in childhood and adolescence, but not adulthood. Birthweight-related CpGs overlap with some Bonferroni-significant CpGs that were previously reported to be related to maternal smoking (55/914, p = 6.12 x 10−74) and BMI in pregnancy (3/914, p = 1.13x10−3), but not with those related to folate levels in pregnancy. Whether the associations that we observe are causal or explained by confounding or fetal growth influencing DNA methylation (i.e. reverse causality) requires further research.
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| 3. |
- Melton, LJ, et al.
(författare)
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Cost-equivalence of different osteoporotic fractures
- 2003
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Ingår i: Osteoporosis International. - : Springer Science and Business Media LLC. - 1433-2965 .- 0937-941X. ; 14:5, s. 383-388
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Tidskriftsartikel (refereegranskat)abstract
- Methods. Among 985 Olmsted County, Minnesota, residents who experienced an osteoporotic fracture (distal forearm, humerus, clavicle/scapula/sternum, ribs, vertebrae, pelvis, hip, other femur or tibia/fibula [the latter in women only]), we estimated the incremental cost of direct medical care in the following year compared with age- and sex-matched controls without a fracture randomly sampled from the same community. Results. The overall median incremental (case minus control) cost in the succeeding year was $2390, with a particularly high incremental cost for hip fractures ($11,241). There was fair concordance between the incremental cost of the different fractures, relative to hip fracture alone, and the previously published disutility associated with each fracture type relative to hip fracture. Overall, the incremental cost for all osteoporotic fractures combined was 46% greater than that for hip fractures alone in women and 47% greater in men. This is consistent with the earlier report that overall morbidity from all osteoporotic fractures combined is 47% and 39% greater in women and men, respectively, than the morbidity attributable solely to hip fractures. Conclusion. These data lend support to the notion that other osteoporotic fractures can be quantified relative to hip fracture on the basis of their cost, as well as their morbidity and mortality. This may simplify health economic analyses by allowing all fracture outcomes to be modeled relative to hip fractures (i.e., hip fracture 'equivalents') and will provide a more comprehensive assessment of osteoporosis outcomes than is possible by focusing only on hip fractures.
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| 4. |
- Melton, LJ, et al.
(författare)
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Osteoporosis and the global competition for health care resources
- 2004
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Ingår i: Journal of Bone and Mineral Research. - 1523-4681. ; 19:7, s. 1055-1058
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Tidskriftsartikel (refereegranskat)abstract
- Global aging superimposed on existing infectious diseases and trauma will aggravate competition for health care resources to diagnose and treat osteoporosis. Efforts to implement public health measures are needed, but the targeted approach to assessment and treatment of high-risk individuals must also be refined.
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