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... such as overfitting of sparse data in the original modeling approach, may explain these problematic features ... study cohort. Then, we will compare the goodness-of-fit for models predicting mis-calibration (c) by age and period ... given their additive influences by estimating a two-factor model (age and period); hence, no constraints are necessary. ...- 2019-02-28 11:26 - 5 comments
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... energy source for distal tissues. They are highly hydrophobic and ferried by albumin within circulation prior to ... Schwann cells, astrocytes) in a wide variety of laboratory models. 24-32 Palmitic acid (the most prevalent saturated ... causal associations. To minimize potential confounding, models will be adjusted for age, sex, race, field center, ...- 2019-07-17 17:54
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... into a Multivariate Analysis of Covariance (MANCOVA) model. Multivariate analysis will allow us to assess our ... as occurrence of falls we will use a logistic regression model. The results will be presented as Odds Ratios ... for time to first fall (time-to-event outcome) using Cox models with competing risk for mortality. To estimate the ...- 2019-06-02 12:04 - 8 comments
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... has been reported to precede the electrophysiological remodeling observed in AF. 15 Arterial flow-mediated dilation ... of brachial FMD with incident AF Cox proportional hazards models to investigate the association of baseline brachial FMD with incident AF. In this analysis, we will model brachial FMD continuously (per 1 SD increment), after ...- 2019-07-08 17:48 - 2 comments
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... smoking, obesity, and physical inactivity, are difficult to modify, and a recent review of prevention trials found ... Analysis: We will use Cox proportional hazards regression models to evaluate associations between lymphocyte subsets ...- 2019-05-23 13:35 - 2 comments
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... at present do not have currently available cures, numerous modifiable factors affect cognitive function. Polypharmacy ... Methods Our primary analysis will consist of a linear mixed model to estimate the within-person fixed effect of AED use. ...- 2019-12-19 10:06 - 6 comments
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... plus covariates. These weights are used in an outcome model regression of cognitive impairment on covariates, ... between the total effect (estimated from the outcome model without the weights) and the direct effect. Confidence ... analyses where we test critical assumptions about our model, including sensitivities around model specification ...- 2019-05-29 04:36 - 7 comments
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... as input, to predict risk of incident ischemic stroke. This model will be trained with time-to-ischemic stroke as the ... The data will be split randomly with 80% used to train the model and the remaining 20% to validate. Stroke prediction ...- 2019-10-08 11:02 - 4 comments
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... influences plasma lipid levels and such effects may be modulated by genetic variants. Objective: We aimed to ...- 2019-03-01 12:13
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... insulin (FI), two-hour glucose (2hGlu) and glycated hemoglobin (HbA1c)], we investigated associations of exome-array ...- 2019-01-03 09:58