Results 31 to 40 of about 353,176 (298)

Aprotinin may increase mortality in low and intermediate risk but not in high risk cardiac surgical patients compared to tranexamic acid and ε-aminocaproic acid - a meta-analysis of randomised and observational trials of over 30.000 patients [PDF]

open access: yes, 2013
Background: To compare the effect of aprotinin with the effect of lysine analogues (tranexamic acid and ε-aminocaproic acid) on early mortality in three subgroups of patients: low, intermediate and high risk of cardiac surgery.
Herrmann, Eva   +3 more
core   +8 more sources

Actinic skin damage and mortality--the First National Health and Nutrition Examination Survey Epidemiologic Follow-up Study. [PDF]

open access: yesPLoS ONE, 2011
BACKGROUND: Exposure to sunlight may decrease the risk of several diseases through the synthesis of vitamin D, whereas solar radiation is the main cause of some skin and eye diseases.
Wei He   +7 more
doaj   +1 more source

The Adjustment Effects of Confounding Factors on Radiation Risk Estimates: Findings from A Japanese Epidemiological Study on Low-Dose Radiation Effects (J-EPISODE)

open access: yesJournal of Molecular and Genetic Medicine, 2017
Purpose: To investigate the degree of any decreasing effects for excess relative risk (ERR) of radiation exposure caused by adjusting for smoking and years of education. Methods: In this cohort study, we assembled a cohort of 41,742 males who responded to a lifestyle questionnaire survey performed in 2003, were registered in the Radiation Dose ...
Kudo S   +5 more
openaire   +1 more source

On Some Nonparametric Tests For Partially Observed Correlated Data: Proposing New Tests [PDF]

open access: yesJournal of Statistical Theory and Applications (JSTA), 2015
Correlated or matched data is frequently collected under many study designs in applied sciences such as the social, behavioral, economic, biological, medical, epidemiologic, health, public health, and drug developmental sciences in order to have more ...
Hani M. Samawi, Lili Yu, Robert Vogel
doaj   +1 more source

Bounding bias due to selection

open access: yes, 2019
When epidemiologic studies are conducted in a subset of the population, selection bias can threaten the validity of causal inference. This bias can occur whether or not that selected population is the target population, and can occur even in the absence ...
Smith, Louisa H., VanderWeele, Tyler J.
core   +1 more source

Evaluation of work-related psychosocial factors and regional musculoskeletal pain: results from a EULAR Task Force [PDF]

open access: yes, 2009
Objectives: to establish whether review articles provide consistent conclusions on associations between workplace psychosocial factors and musculoskeletal pain and, if differences exist, to explore whether this is related to the methods used.Methods ...
Blyth, F.M.   +10 more
core   +2 more sources

Sex and bacterial infectious diseases

open access: yesNew Microbes and New Infections, 2018
Most infectious diseases are unequally distributed between male and female subjects. This sex dimorphism is confirmed by epidemiologic studies which suggest an increased number of male septic patients, while, due to the class age of septic patients, an ...
J.-L. Mege, F. Bretelle, M. Leone
doaj   +1 more source

Association Between Internet Use and Physical Health, Mental Health, and Subjective Health in Middle-aged and Older Adults: Nationally Representative Cross-sectional Survey in China

open access: yesJournal of Medical Internet Research, 2023
BackgroundInternet use is an important means of accessing health-related information. Identifying the associations between internet use and health outcomes could provide insight into strategies for improving public health among ...
Wen Wen   +3 more
doaj   +1 more source

Potential Role of Ultrafine Particles in Associations between Airborne Particle Mass and Cardiovascular Health [PDF]

open access: yes, 2005
Numerous epidemiologic time-series studies have shown generally consistent associations of cardiovascular hospital admissions and mortality with outdoor air pollution, particularly mass concentrations of particulate matter (PM) ≤2.5 or ≤10 μm in diameter
Constantinos Sioutas   +12 more
core   +2 more sources

Relaxation Penalties and Priors for Plausible Modeling of Nonidentified Bias Sources

open access: yes, 2010
In designed experiments and surveys, known laws or design feat ures provide checks on the most relevant aspects of a model and identify the target parameters. In contrast, in most observational studies in the health and social sciences, the primary study
Greenland, Sander
core   +1 more source

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