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"Understanding statistics"

Alice M Richardson, Grace Joshy, Catherine A D'Este
No abstract text is available yet for this article.
May 7, 2018: Medical Journal of Australia
Jennifer L Moss, Benmei Liu, Li Zhu
Understanding statistical differences in states' percentages and ranks of adolescents meeting health behavior guidelines can guide policymaking. Data came from 531,777 adolescents (grades 9-12) who completed the Youth Risk Behavior Surveillance System survey in 2011, 2013, or 2015. We measured the percentage of adolescents in each state that met guidelines for physical activity, fruit and vegetable (F&V) consumption, and healthy weight status. Then we ranked states and calculated the ranks' 95% CI's using a Monte Carlo method with 100,000 simulations...
December 2017: Preventive Medicine
Michael P Jones, Alissa Beath, Christopher Oldmeadow, John R Attia
No abstract text is available yet for this article.
August 21, 2017: Medical Journal of Australia
Michael P Jones, Marjorie M Walker, John R Attia
No abstract text is available yet for this article.
August 7, 2017: Medical Journal of Australia
Shama Alam, Glyn Elwyn, Sanja Percac-Lima, Stuart Grande, Marie-Anne Durand
BACKGROUND: Women of low socioeconomic status (SES) diagnosed with early stage breast cancer are less likely to be involved in treatment decisions. They tend to report higher decisional regret and poorer communication. Evidence suggests that well-designed encounter decision aids (DAs) could improve outcomes and potentially reduce healthcare disparities. Our goal was to evaluate the acceptability and feasibility of encounter decision aids (Option Grid, Comic Option Grid, and Picture Option Grid) adapted for a low-SES and low-literacy population...
November 21, 2016: BMC Medical Informatics and Decision Making
B Gibbison
No abstract text is available yet for this article.
January 2017: Anaesthesia
Nezhat Shakeri
It has been observed that medical students and researchers lack sufficient knowledge in understanding statistical concepts. This indicates the importance of improving the level of instruction in this field. This experimental study was conducted to introduce and investigate the effectiveness of some educational methods and tools in improving the level of understanding of biostatistics among medical students and paramedical postgraduate students. For this purpose, from 40 medical students and 20 paramedical postgraduate students, who attended the biostatistics course, pre-test and post-test questionnaires were collected...
2016: Global Journal of Health Science
Stephanie Stock, Sibel Altin, Stefan Palmowski, Bettina Berger, Anna Passon
OBJECTIVE: Since there is a lack of knowledge on the occupational needs of patient representatives (PRs) and counselors (PCs), we performed a study eliciting perceived skills and informational needs in evidence-based medicine (EbM) and health economics (HE) and investigated preferences for training. METHODS: Semi-structured interviews and an online survey were conducted among PRs and PCs in Germany. Questions covered perceived skills and informational needs in EbM and HE and preferences for training in both fields...
November 2015: Patient Education and Counseling
Ayaz Hyder, Brian Leung
Factors associated with the burden of influenza among vulnerable populations have mainly been identified using statistical methodologies. Complex simulation models provide mechanistic explanations, in terms of spatial heterogeneity and contact rates, while controlling other factors and may be used to better understand statistical patterns and, ultimately, design optimal population-level interventions. We extended a sophisticated simulation model, which was applied to forecast epidemics and validated for predictive ability, to identify mechanisms for the empirical relationship between social deprivation and the burden of influenza...
June 2015: Epidemics
Eman Abu-Gharbieh, Doaa Al Khalidi, Mirza R Baig, Saeed A Khan
Practicing evidence based medicine (EBM) is a professional need for the future clinical pharmacist in UAE and around the world. An attempt was made to evaluate pharmacy student's knowledge, attitude and proficiency in the practice of EBM. A within-subject study design with pre and post survey and skill test were conducted using case based practice of EBM through a validated questionnaire. The results were tabulated and there was a statistically significant increase in pharmacy students' perceived ability to go through steps of EBM, namely: formulating PICO questions (95...
April 2015: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
Timothy L McMurry, Gerald S Poplin
OBJECTIVE: We address 4 frequently misunderstood and important statistical ideas in the construction of injury risk functions. These include the similarities of survival analysis and logistic regression, the correct scale on which to construct pointwise confidence intervals for injury risk, the ability to discern which form of injury risk function is optimal, and the handling of repeated tests on the same subject. METHODS: The statistical models are explored through simulation and examination of the underlying mathematics...
2015: Traffic Injury Prevention
Tatiane Mota da Silva, Lucíola da Cunha Menezes Costa, Alessandra Narciso Garcia, Leonardo Oliveira Pena Costa
Evidence-Based Practice (EBP) has been widely implemented in different health-related areas. Several studies investigated important characteristics in EBP by physiotherapists and systematic review is needed. Therefore the aim of this study is to describe the current evidence on EBP knowledge, skills, behaviour, opinions and barriers by physiotherapists. Searches were conducted on MEDLINE, EMBASE, CINAHL, PSYCINFO, LILACS, and SciELO in September 2014. We retrieved quantitative cross-sectional studies that investigated EBP knowledge, skills, behaviour, opinions, and barriers in physiotherapy...
June 2015: Manual Therapy
Philip Sedgwick
No abstract text is available yet for this article.
May 30, 2014: BMJ: British Medical Journal
Tytus D Mak, Evagelia C Laiakis, Maryam Goudarzi, Albert J Fornace
Metabolomics, the global study of small molecules in a particular system, has in the past few years risen to become a primary -omics platform for the study of metabolic processes. With the ever-increasing pool of quantitative data yielded from metabolomic research, specialized methods and tools with which to analyze and extract meaningful conclusions from these data are becoming more and more crucial. Furthermore, the depth of knowledge and expertise required to undertake a metabolomics oriented study is a daunting obstacle to investigators new to the field...
January 7, 2014: Analytical Chemistry
Crispin N Goytia, Lea Todaro-Rivera, Barbara Brenner, Peggy Shepard, Veronica Piedras, Carol Horowitz
BACKGROUND: Successful community-academic research partnerships require building the capacity of both community-based organizations (CBOs) and academics to conduct collaborative research of mutual interest and benefit. Yet, information about the needs and goals of research-interested CBOs is lacking. Our partnership aimed to conduct a community research needs assessment and to use results to develop future capacity-building programs for CBOs. METHODS: Based on our review of the literature, informal interviews with research-interested CBOs and community-engaged research groups locally and nationally, we developed a needs assessment survey...
2013: Progress in Community Health Partnerships: Research, Education, and Action
Chandramohan Anuradha, K S Jacob, N K Shyamkumar, Gibikote Sridhar
AIM: We examinted the attitude, knowledge and perceived barriers to evidence-based practice of radiology (EBPR) among residents in radiology. STUDY DESIGN AND SETTING: We used the McColl questionnaire (1) and the BARRIERS scale (2) to assess the issues among radiology trainees attending an annual refresher course. Ninety six residents from 32 medical colleges from Southern India attended the course. RESULTS: Eighty (83.3%) residents, 55 male and 25 female of age range 24-34 years, consented and returned the questionnaire...
May 2013: European Journal of Radiology
Zoë Hoare, Juanita Hoe
This article, which is the second in a two-part series, provides an introduction to understanding quantitative research, basic statistics and terminology used in research articles. Understanding statistical analysis will ensure that nurses can assess the credibility and significance of the evidence reported. This article focuses on explaining common statistical terms and the presentation of statistical data in quantitative research.
January 2, 2013: Nursing Standard
Christoph Fretter, Matthias Müller-Hannemann, Marc-Thorsten Hütt
The pattern of over- and under-representations of three-node subgraphs has become a standard method of characterizing complex networks and evaluating how this intermediate level of organization contributes to network function. Understanding statistical properties of subgraph counts in random graphs, their fluctuations, and their interdependences with other topological attributes is an important prerequisite for such investigations. Here we introduce a formalism for predicting subgraph fluctuations induced by perturbations of unidirectional and bidirectional edge densities...
May 2012: Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Fares Alahdab, Belal Firwana, Rim Hasan, Mohamad Bassam Sonbol, Munes Fares, Iyad Alnahhas, Ammar Sabouni, Mazen Ferwana
BACKGROUND: Teaching evidence-based medicine (EBM) should be evaluated and guided by evidence of its own effectiveness. However, no data are available on adoption of EBM by Syrian undergraduate, postgraduate, or practicing physicians. In fact, the teaching of EBM in Syria is not yet a part of undergraduate medical curricula. The authors evaluated education of evidence-based medicine through a two-day intensive training course. METHODS: The authors evaluated education of evidence-based medicine through a two-day intensive training course that took place in 2011...
2012: BMC Research Notes
Elliot Abt
No abstract text is available yet for this article.
March 2012: Evidence-based Dentistry
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