Results 81 to 90 of about 221,152 (303)

ALS With and Without Upper Motor Neuron Signs: A Comparative Study Supporting the Gold Coast Criteria

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective The Gold Coast criteria permit diagnosis of amyotrophic lateral sclerosis (ALS) even without upper motor neuron (UMN) signs. However, whether ALS patients with UMN signs (ALSwUMN) and those without (ALSwoUMN) share similar characteristics and prognoses remains unclear.
Hee‐Jae Jung   +7 more
wiley   +1 more source

The wage effects of entering motherhood: a within-firm matching approach [PDF]

open access: yes
We analyze the wage effects of employment breaks of women entering motherhood using a novel within-firm matching approach where mothers? wages upon return to the job are compared with those of their female colleagues within the same firm.
Beblo, Miriam   +2 more
core   +3 more sources

Evidências da relação entre a frequência no ensino infantil e o desempenho dos alunos do ensino fundamental público no Brasil

open access: yesRevista Brasileira de Estudos de População
Este artigo tem por objetivo estimar o impacto da frequência ao ensino infantil na proficiência dos alunos do ensino fundamental público no Brasil, utilizando como proxy as notas dos alunos em português e matemática disponíveis na Prova Brasil 2011.
Walcir Soares da Silva Junior   +1 more
doaj   +1 more source

Do Public Subsidies Have an Impact on New Firm Survival? An Empirical Study with French Data [PDF]

open access: yes
firm survival, matched database, propensity score ...
Dominique Redor   +2 more
core  

Shared Genetic Effects and Antagonistic Pleiotropy Between Multiple Sclerosis and Common Cancers

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Epidemiologic studies have reported inconsistent altered cancer risk in individuals with multiple sclerosis (MS). Factors such as immune dysregulation, comorbidities, and disease‐modifying therapies may contribute to this variability.
Asli Buyukkurt   +5 more
wiley   +1 more source

Investigating the causal relationship between employment and informal caregiving of the elderly

open access: yesBMC Research Notes, 2018
Objective Examining the causal relationship between employment and informal caring to date has been impeded in countries like Ireland where there is a lack of suitable panel data and/or variables for instrument construction. This paper employs propensity
Edel Walsh, Aileen Murphy
doaj   +1 more source

Do Regional Investment Grants Improve Firm Performance? Evidence from Sweden [PDF]

open access: yes
The effect of Swedish regional investment grants during 1990-1999 on firm performance, in terms of returns on equity and number of employees, were studied using a propensity-score matching-method to control for sample selection.
Ankarhem, Mattias   +3 more
core   +3 more sources

Impact of Asymptomatic Intracranial Hemorrhage on Outcome After Endovascular Stroke Treatment

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Endovascular treatment (EVT) achieves high rates of recanalization in acute large‐vessel occlusion (LVO) stroke, but functional recovery remains heterogeneous. While symptomatic intracranial hemorrhage (sICH) has been well studied, the prognostic impact of asymptomatic intracranial hemorrhage (aICH) after EVT is less certain ...
Shihai Yang   +22 more
wiley   +1 more source

Causal Effects in Non-Experimental Studies: Re-Evaluating the Evaluation of Training Programs [PDF]

open access: yes
This paper uses propensity score methods to address the question: how well can an observational study estimate the treatment impact of a program? Using data from Lalonde's (1986) influential evaluation of non-experimental methods, we demonstrate that ...
Rajeev H. Dehejia, Sadek Wahba
core  

Air Pollution and the Risk and Progression of Multiple Sclerosis: A Systematic Review and Meta‐Analysis

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Purpose Air pollution has been linked to several neurological conditions, including stroke and neurodegenerative diseases. Evidence regarding its association with multiple sclerosis (MS) remains conflicting, limited by small sample sizes. Methods PubMed, Embase, Scopus, and Cochrane controlled register of trials (CENTRAL) were searched on ...
Ahmad A. Toubasi, Thuraya N. Al‐Sayegh
wiley   +1 more source

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