Results 121 to 130 of about 3,064,262 (335)

The Analysis of Designed Experiments and Longitudinal Data by Using Smoothing Splines [PDF]

open access: bronze, 1999
A. P. Verbyla   +3 more
openalex   +1 more source

Plasma Glial Fibrillary Acidic Protein Correlates With Brain Metal Burden in Wilson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Neuroinflammation driven by extracellular copper contributes to neuronal damage in Wilson's disease (WD). This study investigated the relationship between brain metal burden and peripheral neuroinflammation markers in WD. Methods We conducted a cross‐sectional study involving 89 participants, including patients with WD (n = 63 ...
Sung‐Pin Fan   +12 more
wiley   +1 more source

Theoretical Advancements in Small Area Modeling: A Case Study with the CHILD Cohort

open access: yesStats
Developing accurate predictive models in statistical analysis presents significant challenges, especially in domains with limited routine assessments.
Charanpal Singh, Mahmoud Torabi
doaj   +1 more source

Simulating interventions in graphical chain models for longitudinal data [PDF]

open access: yes
Simulating the outcome of an intervention is a central problem in many fields as this allows decision-makers to quantify the effect of any given strategy and, hence, to evaluate different schemes of actions.
Ann M. Berrington   +2 more
core  

Prostatic Growth Rate Determined from MRI Data: Age‐Related Longitudinal Changes [PDF]

open access: bronze, 1999
Adrianne M. Williams   +7 more
openalex   +1 more source

Longitudinal Study of Salivary Biomarkers in the Definition of Clinico‐Molecular Progression of Parkinson's Disease

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
Longitudinal changes in salivary biomarkers in Parkinson’s disease (PD) from early (T0) to 4‐year follow‐up (T1), quantified by ELISA: oligomeric and total α‐synuclein, total and phosphorylated tau, MAP1LC3B (autophagy), and TNFa (inflammation). Blue arrows indicate direction of change at T1 vs T0 (up = increase; down = decrease).
Maria Ilenia De Bartolo   +13 more
wiley   +1 more source

%QLS SAS Macro: A SAS Macro for Analysis of Correlated Data Using Quasi-Least Squares

open access: yesJournal of Statistical Software, 2010
Quasi-least squares (QLS) is an alternative computational approach for estimation of the correlation parameter in the framework of generalized estimating equations (GEE). QLS overcomes some limitations of GEE that were discussed in Crowder (1995).
Han-Joo Kim, Justine Shults
doaj  

Crash Risk Reduction at Signalized Intersections Using Longitudinal Data [PDF]

open access: yes
This study extends the previous work of Burkey and Obeng (2004) that examined the impact of red light cameras on the type and severity of crashes at signalized intersections in Greensboro, NC. The extension takes the following form.
Burkey, Mark L., Obeng, Kofi
core   +1 more source

Assessing a Mitochondrial Disease Treatment via a Novel Statistical Technique for Accelerometer Data

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Therapeutic development for mitochondrial diseases, rare genetic disorders with pathogenic defects of oxidative phosphorylation, is hindered by unsatisfactory outcome measures. To address this problem, we provide the first clinical application of a novel, bias‐adjusted outcome measure of acceleration across a range of subjects ...
Ian W. McKeague   +8 more
wiley   +1 more source

Construct validity and reliability of the Dementia Test for People with Intellectual Disability: neuropsychological test battery for assessing cognitive functioning in people with intellectual disability

open access: yesBJPsych Open
Background People with an intellectual disability are vulnerable to additional disorders such as dementia. Psychometrically sound and specific instruments are needed for assessment of cognitive functioning in cases of suspected dementia.
Tanja Sappok   +5 more
doaj   +1 more source

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