نتایج جستجو برای: spatial epidemiology

تعداد نتایج: 463981  

2017
Lisa Caulley Michael Sawada Kelsey Hinther Ya-tung Iris Ko John A. Crowther Georgios Kontorinis

BACKGROUND Although the natural history of vestibular schwannomas (VS) has been previously studied, few studies have investigated associated epidemiological factors, primarily because of the lack of large available cohorts. OBJECTIVE The objective of this study was to perform a multi-scale geographical analysis of the period prevalence of VS in West Scotland from 2000 to 2015. METHODS Adult...

Journal: :Revue scientifique et technique 2002
D U Pfeiffer M Hugh-Jones

Geographical information systems (GIS) facilitate the incorporation of spatial relationships into epidemiological investigations of wildlife diseases. Consisting of data input, management, analysis and presentation components, GIS act as an integrative technology in that a range of very varied data sources can be combined which describe different aspect of the environment of wild animals. The a...

Background and Objectives: One of the relatively modern branches in the knowledge of epidemiology, which despite being very important, very few articles have been published about it so far, is the branch of educational epidemiology. Therefore, the purpose of this study is to introduce the branch of educational epidemiology. Materials and Methods: This study is a comprehensive review study in w...

Journal: :The Indian journal of medical research 2009
Rekha Saxena B N Nagpal Aruna Srivastava S K Gupta A P Dash

Geographical information System (GIS) has emerged as the core of the spatial technology which integrates wide range of dataset available from different sources including Remote Sensing (RS) and Global Positioning System (GPS). Literature published during the decade (1998-2007) has been compiled and grouped into six categories according to the usage of the technology in malaria epidemiology. Dif...

2017
Elizabeth Lee Shweta Bansal

Introduction Traditional infectious disease epidemiology is built on the foundation of high quality and high accuracy data on disease and behavior. Digital infectious disease epidemiology, on the other hand, uses existing digital traces, re-purposing them to identify patterns in health-related processes. Medical claims are an emerging digital data source in surveillance; they capture patient-le...

2008
D. Toprak

Disease maps have been playing a key descriptive role in epidemiology. Hence, they are useful tools for identification of areas of the true underlying geographical distribution of the disease incidences. The development of information system technology over the last 30 years has provided a powerful ability to examine spatial patterns, so geographical information systems (GIS) are begun to use i...

Journal: :International Journal of Health Geographics 2004
Olaf Berke

BACKGROUND: There is considerable interest in the literature on disease mapping to interpolate estimates of disease occurrence or risk of disease from a regional database onto a continuous surface. In addition to many interpolation techniques available the geostatistical method of kriging has been used but also criticised. RESULTS: To circumvent these critics one may use kriging along with alre...

2015
Nicholas A. S. Hamm Ricardo J. Soares Magalhães Archie C. A. Clements Shan Lv

Earth observation (EO) is the use of remote sensing and in situ observations to gather data on the environment. It finds increasing application in the study of environmentally modulated neglected tropical diseases (NTDs). Obtaining and assuring the quality of the relevant spatially and temporally indexed EO data remain challenges. Our objective was to review the Earth observation products curre...

Journal: :Proceedings. Biological sciences 1999
M J Keeling

Predicting the likely success of invasions is vitally important in ecology and especially epidemiology. Whether an organism can successfully invade and persist in the short-term is highly dependent on the spatial correlations that develop in the early stages of invasion. By modelling the correlations between individuals, we are able to understand the role of spatial heterogeneity in invasion dy...

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