Important epidemiologic methods. Medical search. Frequent questions

No one denies that observational and epidemiologic studies are more expedient, but what have we collectively done here? (ajnr.org)
We review the strengths and limitations of risk of bias assessments, in particular, for reviews of observational studies of environmental exposures, and we also comment more generally on methods of evidence synthesis. (nih.gov)
Such syntheses are part of systematic reviews of observational epidemiologic study findings. (nih.gov)
Committee for Evidence-Based Methods in Risk Assessment is aiming at the development of a tool for rapid assessment of risk of bias (raRoB) for evaluating the evidence from individual human observational epidemiological studies in the risk assessment context. (bund.de)

MPH students: those who earned a grade of 'A' in 340.721 EPIDEMIOLOGIC INFERENCE I or 340.601 PRINCIPLES OF EPIDEMIOLOGY may opt to skip the course 340.751 and proceed into 340.752 EPIDEMIOLOGIC METHODS 2 during the 2nd term. (jhu.edu)
G-estimation is one of several new causal methods in epidemiology. (cdc.gov)
The aims of epidemiology are to prevent and reverse negative health outcomes, and the uses of epidemiology are most important for communities that experience a lot of poverty or instability. (rh-konsult.se)
Annals of Epidemiology is a peer reviewed, international journal devoted to epidemiologic research and methodological development. (rh-konsult.se)
ideas, theories, principles and methods of epidemiology. (rh-konsult.se)
The Department of Epidemiology has a long tradition of teaching and research in the epidemiology of cancer, cardiovascular disease, and other chronic diseases, as well as in epidemiologic methodology. (rh-konsult.se)
Methods: Analysis of 157 patients' data looking for epidemiology, causes of the infection, type of treatment established and complications. (bvsalud.org)
In addition we will address important areas of modern epidemiology such as the influence of early life factors on adult health and disease, but also the importance of the gene-diet-microbiota interaction for body function and health. (lu.se)

This includes the use of genetic, clinical, and epidemiologic methods to identify hereditary and environmental factors that contribute to the risk of illness. (genome.gov)
H3Africa supports studies led by African scientists that use genomic, clinical and epidemiologic methods to identify hereditary and environmental contributions to the risk of common, non-communicable disorders (such as heart and kidney disease), as well as communicable diseases (such as tuberculosis). (genome.gov)
Crossing Birthweight-Specific Mortality Curves: How a Puzzling Clinical Observation Led to an Important Advance in Epidemiologic Methods. (bvsalud.org)
This convergent strategy would involve using a mix of qualitative ( e.g. , clinical screenings by neuropsychologists and sociological studies of the factors that influence community responses) and quantitative methods ( e.g. , psychophysiological research, application of standardized research instruments to measure the psychological disorders in the communities near these sites, and pre- and post-data on how stress levels change in a community affected by hazardous substances). (cdc.gov)
We aimed to develop an evidence-based consensus definition of aggressive prostate cancer using clinical features at diagnosis for etiologic epidemiologic research. (madcapnetwork.org)
The goal of my pharmacoepidemiologic research is to investigate important, clinical questions about drug and vaccine use, effectiveness, safety, and related outcomes in order to inform routine patient care, practice guidelines, and healthcare policy. (wustl.edu)
My research in pharmacoepidemiology and outcomes applies epidemiologic methods and study designs for comparative effectiveness research to large clinical and healthcare utilization databases. (wustl.edu)
However, its clinical significance in heart transplantation remains unclear.METHODS: In 103 heart-transplant recipients, serial (baseline and 1-year post-transplant) volumetric intravascular ultrasound (IVUS) analyses were performed in the first 50 mm of the left anterior descending (LAD) artery. (stanford.edu)

Using molecular epidemiologic methods, particularly problems ( 3,4 ). (cdc.gov)
To provide assistance in training host nation scientists in epidemiologic techniques or modern laboratory molecular biology methods. (wikipedia.org)
Serotyping has played an important role for decades in understanding the epidemiologic and molecular characterization of Salmonella . (cdc.gov)
We introduce two methods for computing empirical weights to model heteroscedasticity that is caused by sampling variable quantities of DNA for molecular analysis. (biomedcentral.com)
With the decreasing costs of technology, in combination with the development of methods for the analysis of archival specimens, it is now feasible to conduct molecular analysis in large epidemiologic studies. (biomedcentral.com)

Since 1990, many improvements have occurred in data resources, investigative techniques, and analytic/statistical methods, and much has been learned from both large- and small-scale cancer cluster investigations. (cdc.gov)
Doll continued to make original use of analytic epidemiologic methods to determine the effects of tobacco smoke on human health. (aacrjournals.org)
identify problems to be studied by analytic methods and suggest areas that may be fruitful for investigation Source: Adapted from Friis RH,Sellers TA. (rh-konsult.se)
Our approaches include using GIS and spatial-analytic methods to characterize exposure to environmental risk factors, incorporating space-time-activity information in exposure assessments, and employing biological and environmental measurements for exposure validation. (cancer.gov)

More efficient methods of social network data collection have the potential to provide epidemiologic information to guide prevention efforts for populations with stigmatized health conditions or behaviors. (northwestern.edu)
Due to the high rate of pedestrian deaths in traffic accidents and given that describing demographic profiles of pedestrian deaths and features of accident locations is an important factor in the prevention, management, and analysis of road traffic accidents, this study aimed at describing the demographic and personal patterns as well as environmental factors affecting the occurrence of road traffic accidents among pedestrians in Iran. (archtrauma.com)
In Addis Ababa, road safety is an important target for injury prevention. (bvsalud.org)

Background: Characteristics of an individual's social network have been important factors in understanding infectious disease transmission patterns. (northwestern.edu)
Regional and country-specific analyses are important as case fatality, demographic characteristics, seasonality and the clade or subclade of viruses have been observed to vary across regions. (who.int)

Increasingly, risk of bias tools are used to evaluate epidemiologic studies as part of evidence synthesis (evidence integration), often involving meta-analyses. (nih.gov)
Bias assessments are important in evidence synthesis, but we argue they can and should be improved to address the concerns we raise here. (nih.gov)
Simplistic, mechanical approaches to risk of bias assessments, which may particularly occur when these tools are used by nonexperts, can result in erroneous conclusions and sometimes may be used to dismiss important evidence. (nih.gov)
Evidence synthesis (or evidence integration) is widely used to summarize findings of epidemiologic studies of environmental and occupational exposures. (nih.gov)
and c ) a method to synthesize evidence across studies (which sometimes includes a meta-analysis). (nih.gov)
Wilcox aj, it may seem important evidence that the knots of exposure assessment. (fladefenders.org)

For this work, we will adapt econometric, geospatial, and epidemiologic modelling methods by leveraging the large data and computational resources of the Global Burden of Disease Study. (washington.edu)

Prior or concurrent enrollment in Statistical Methods in Public Health I (140.621) or Methods in Biostatistics I (140.651). (jhu.edu)
Due to limits of epidemiologic and statistical methods, many investigations of unusual patterns of cancer will be unable to establish a relationship between a specific environmental exposure and a health outcome (10), and in some cases, there may be no relationship. (cdc.gov)

Epidemiologic investigations of environment-cancer relationships rely on accurate, quantifiable exposure measurements. (cancer.gov)

Numerous related issues--such as the epidemiologic workup of infectious disease outbreaks, the assessment of the health effects of environmental exposures, the prospective detection of clusters, and the investigation of interpersonal networks--are not addressed. (cdc.gov)
Additionally, U.S. and military disease rates (where available) were added to provide epidemiologic context for the frequency of these infectious diseases. (health.mil)

The second part of this thought experiment is to imagine a study using similar methods to lead to the title, "Better Patient Outcomes in Outpatient Clinics Than in Intensive Care Units. (ajnr.org)
The Global Burden of Disease (GBD) Study in IHME calculates disease burdens of countries by gender, age, and illness through "estimation" based on published papers and other estimation methods for meta-regression [5]. (researchsquare.com)
Method: This was a cross-sectional, epidemiologic study of 187 paint manufacturing workers. (johnshopkins.edu)

Scientific methods play a crucial role in defining a good practice: It can only be a practice that leads to better patient outcomes. (ajnr.org)

It means that epidemiologic parameters such as prevalence, incidence and fatality may not have measured coherently. (researchsquare.com)
Because oocysts of T. gondii are rarely found in feces of cats, serologic prevalence data in cats are important for the determination of epidemiologic significance of T. gondii infections. (vin.com)

Introduces students to the principles and concepts used in epidemiologic research. (jhu.edu)
1 - 4 Is this research method appropriate for clinicians? (ajnr.org)
An important goal of H3Africa is to increase direct funding available to African scientists, so as to foster genomics research on the continent. (genome.gov)
Devising an effective way to inform the public about the continuum should be an important research priority, as currently consumers are woefully incorrect in their assessments of relative risk of various tobacco products. (blogspot.com)
They represent an important part of the foundation of modern population-based chronic disease research. (aacrjournals.org)
In the era of widespread prostate-specific antigen testing, it is important to focus etiologic research on the outcome of aggressive prostate cancer, but studies have defined this outcome differently. (madcapnetwork.org)
Objective: We sought to evaluate the feasibility and acceptability of a self-administered social network data collection tool, Network Canvas, among Black men who have sex with men (BMSM) and transgender persons using the think-aloud method, which is a robust and flexible research technique used to perform usability testing. (northwestern.edu)
Editors select a small number of articles recently published in the journal that they believe will be particularly interesting to readers, or important in the respective research area. (mdpi.com)

Today, modern genetic subtyping methods provide scientists with additional information that is used to determine the serotypes and to identify, investigate, and trace outbreaks. (cdc.gov)
Qualitative methods included the use of global expert panels to identify and evaluate the performance of each candidate item as well as in-country focus groups to test the content validity of the items. (banglajol.info)
Springer, Berlin, it has … Identify key sources of data for epidemiologic purposes. (rh-konsult.se)

Establishing clear and ongoing communication channels about activities and challenges associated with the evaluation of unusual patterns of cancer and environmental concerns is important. (cdc.gov)
Health policy models are an important way to integrate complex patterns of risk exposure and disease burden with other population trends including income, education, aging, migration, and health care access. (washington.edu)
Regional analyses of human infections with avian influenza subtypes revealed distinct epidemiologic patterns that varied across countries, age and time. (who.int)

others thought that the literature was sparse and that more studies, including epidemiologic and qualitative methods were needed before drawing any firm, final conclusions. (cdc.gov)

A mixed method (quantitative and qualitative) design was used for item selection and evaluation. (banglajol.info)

They use explicit, systematic methods that are selected with a view aimed at minimizing bias, to produce more reliable findings to inform decision making" ( https://www.cochranelibrary.com/about/about-cochrane-reviews ). (nih.gov)
Methods and Findings: We obtained data on risk factor exposures from the National Health and Nutrition Survey and epidemiological studies, data on the number of cause-specific deaths from vital records adjusted for ill-defined codes, and data on relative risks from epidemiological studies and meta-analyses. (who.int)

The professional development of trained epidemiologists competent in the practical application of epidemiologic methods to a wide-range of contemporary public health issues is increasingly important within the context of global pandemics, local outbreaks and rising rates of chronic diseases. (postgrad.com.sg)

Epidemiologic studies are designed to discover some unknown things, by using known data. (ajnr.org)
3. Data Collection--methods--United States. (cdc.gov)
Take our 10-week online geo-health course to learn how to integrate geographic information , use different g eospatial technologies and apply spatial data science methods to understand different health aspects better. (itc.nl)
Each week you will tackle a specific health or disease problem integrating the theories with spatial data and different methods. (itc.nl)
Nationally representative face-to-face household survey data from structured diagnostic interviews of the 2012-2013 National Epidemiologic Survey on Alcohol and Related Conditions-III (NESARC-III) (n = 36,309) were used to estimate percentages of respondents with 12-month DSM-5 mood, anxiety, and substance use disorders who received disorder-specific treatment during the 12 months before the interview. (psychiatrist.com)
Social network data collection is generally time and resource intensive, yet it is crucial to our understanding of the complex epidemiologic landscape of human behaviors among stigmatized social groups. (northwestern.edu)
Reports must be based on analyses that use standardized, validated, or accepted scientific methods and should include sufficient data samples to adequately address the aim of the report. (health.mil)
As infected animals and contaminated environments are the primary source of human infections, regional analyses that bring together human and animal surveillance data are an important basis for exposure and transmission risk assessment and public health action. (who.int)
The present epidemiologic survey was carried out by collecting data from patient records in the Department of Oral and Maxillofacial Surgery of Ribeirão Preto Dental School of the São Paulo University - USP. (bvsalud.org)
Institutional trauma registries (ITRs) are a key tool for collecting epidemiologic data about injury. (bvsalud.org)
Methods: This is an analysis of prospectively collected data from a sustainable ITR at Menelik II Specialized Hospital, a public teaching hospital with trauma expertise. (bvsalud.org)
Region (EMR) makes it important for influenza A virus languages (Arabic, English and French) for all the availa- circulation, as EMR countries lie under four of the ble published data up to 2016. (who.int)

Maxillofacial infections are not rare and could be considered as a public health problem due to their great potential of spreading to important and vital anatomical structures, such as the respiratory system and mediastinum, increasing the risk of septicemia and death for the affected patients 1-2 . (bvsalud.org)

They cannot be relegated to future epidemiologic studies, and they must be integrated to current medical practice that is in desperate need of validation, by using randomized allocation of options. (ajnr.org)
Even as a student, he showed his interest in epidemiologic and statistical tools, publishing on the need for proper analysis and statistical testing in population studies of disease. (aacrjournals.org)
We recommend that etiologic epidemiologic studies of prostate cancer report results for this definition of aggressive prostate cancer. (madcapnetwork.org)
The two most important observations in this review are, first, better studies have been more likely than poorer studies to report an inverse association between physical activity and the incidence of CHD and, second, the relative risk of inactivity appears to be similar in magnitude to that of hypertension, hypercholesterolemia, and smoking. (nih.gov)
These studies are also an important contribution to the expertise education 8-9 . (bvsalud.org)

Now for the most important message, epidemiologic methods are not appropriate for clinicians hoping to justify their interventions. (ajnr.org)

The quantitative methods included analyses of item-response distributions, using bivariate techniques. (banglajol.info)

and methods used for comparing populations. (jhu.edu)

To provide epidemiologic and statistical source material to state and local health agencies to aid in their development of a systematic approach to the evaluation of clusters of health events. (cdc.gov)

Although a systematic approach is vital, health agencies should be flexible in their method of analysis and tests of statistical significance. (cdc.gov)

A simple UV-spectrophotometric method for the determination of the total vitamin C (ascorbic acid + dehydroascorbic acid) in various fruits and vegetables at Sylhet area is described. (scialert.net)

Understanding the impact that a low amount of amplifiable material has on the stability of the lab measurement is important to efficient statistical analysis. (biomedcentral.com)
We illustrate the effect of this uncertainty on the variance of the outcome measure, and propose new methods that incorporate the sampling uncertainty into the statistical analysis. (biomedcentral.com)

By providing a roadmap for the application of g-estimation, we hope to encourage more widespread use of these innovative and critically important new epidemiologic methods for identifying occupational causes of disease. (cdc.gov)

In addition to having epidemiologic and statistical expertise, health agencies should recognize the social dimensions of a cluster and should develop an approach for investigating clusters that best maintains critical community relationships and that does not excessively deplete resources. (cdc.gov)

After adjustment for important confounding variables (i.e., age, vocabulary score, and cumulative exposure to hydrocarbon solvents) with multiple linear regression, olfactory function scores predicted performance only on the Wechsler Memory Scale Delayed Logical Memory test. (johnshopkins.edu)
This work addresses important epidemiologic considerations in geography-based environmental exposure assessments, including residential mobility, positional error, and the challenges of extrapolation over space and time. (cancer.gov)

Studying the genomes of Africans thus offers important opportunities to characterize and understand genomic variation. (genome.gov)

We used simulations to verify that this method for generating empirical R t estimates was generally accurate, except when the daily case count fell below ten (Supplementary Fig. 1 ). (nature.com)

Reliable figures on recurrence of ARM are becoming increasingly important since improved surgical techniques are able to maintain sexual function resulting in more offspring of patients with ARM. (biomedcentral.com)

The journal emphasizes the application of epidemiologic methods to issues that affect the distribution and determinants of human illness in diverse contexts. (rh-konsult.se)

It participates in numerous biochemical reactions, suggesting that vitamin C is important for every body process from bone formation to scar tissue repair (Grrof et al . (scialert.net)

This project aimed to develop indicators from a set of items, measuring family care practices and resources important for caregiving, for use in epidemiologic surveys in developing countries. (banglajol.info)

Participants may differ from non-participants on important variables such as age, sex socioeconomic status, and general health factors. (nih.gov)
Knowing and acting on your family health history are important for your health. (genome.gov)
From a public health perspective, the perception of a cluster in a community may be as important as, or more important than, an actual cluster. (cdc.gov)
The HALE is an important indicator to establish the Korean Health Plan and other national-level health policies. (researchsquare.com)
Human health is very important to our survival. (scialert.net)
[4] Road traffic injuries are the second leading cause of deaths in Iran after cardiovascular diseases, the first cause of wasted life, and one of the most important problems that threaten the Iranians' health. (archtrauma.com)
Professional disciplines, organizations, and methods that interact to improve the public's health are addressed. (iu.edu)

In dealing with cluster reports, the general public is not likely to be satisfied with complex epidemiologic or statistical arguments that deny the existence or importance of a cluster. (cdc.gov)

This is why scientific methods are essential to protect present patients in need of care. (ajnr.org)

Achieving rapport with a concerned community is critical to a satisfactory outcome, and this rapport often depends on a mutual understanding of the limitations and strengths of available methods. (cdc.gov)

Vitamin C plays an important role as a component of enzymes involved in the synthesis of collagens and carnitine. (scialert.net)

Organisms1

Analytical, Diagnostic and Therapeutic Techniques and Equipment7

Disciplines and Occupations4

Humanities1

Information Science1

Health Care8

Geographicals1

Observational4

EPIDEMIOLOGY8

Clinical8

Molecular5

Analytic4

Prevention3

Characteristics2

Evidence6

Geospatial1

Statistical Methods2

Investigations1

Infectious2

Study3

Outcomes1

Prevalence2

Research8

Identify3

Patterns3

Conclusions1

Qualitative1

Findings2

Context1

Data12

Infections1

Studies5

Interventions1

Analyses1

Populations1

Provide1

Significance1

Determination1

Analysis2

Disease1

Recognize1

Exposure2

Characterize1

Empirical1

Recurrence1

Application1

Numerous1

Developing countries1

Health7

Complex1

Patients1

Strengths1

Synthesis1