نتایج جستجو برای: temporal trends

تعداد نتایج: 385123  

2007
Tomohiro Fukuhara Hiroshi Nakagawa Toyoaki Nishida

Temporal sentiment analysis that analyzes temporal trends of sentiments and topics from a text archive that has timestamps is proposed. The method accepts texts with timestamp such as Weblog and news articles, and produces two kinds of graphs, i.e., (1) topic graph that shows temporal change of topics associated with a sentiment, and (2) sentiment graph that shows temporal change of sentiments ...

Miranda-Filho et al. in their recently published paper entitled “Cancers of the brain and CNS: global patterns and trends in incidence” provided a global status report of the geographic and temporal variations in the incidence of brain and CNS cancers in different countries across continents worldwide. While the authors confirm the role of genetic risk factors and ionizing radiation exposur...

Journal: :Journal of addiction medicine 2016
Michael J Paul Margaret S Chisolm Matthew W Johnson Ryan G Vandrey Mark Dredze

OBJECTIVES Addiction researchers have begun monitoring online forums to uncover self-reported details about use and effects of emerging drugs. The use of such online data sources has not been validated against data from large epidemiological surveys. This study aimed to characterize and compare the demographic and temporal trends associated with drug use as reported in online forums and in a la...

Journal: :Journal of special operations medicine : a peer reviewed journal for SOF medical professionals 2009
Liangyou Chen Andrew T Reisner Andrei Gribok Jaques Reifman

OBJECTIVES We explored whether there are diagnostically useful temporal trends in prehospital vital signs of trauma patients. METHODS Vital signs were monitored during transport to a level I trauma center and electronically archived. Retrospectively, we identified reliable vital signs recorded from the 0- to 7-minute interval and from the 14- to 21-minute interval during transport, and, for e...

Journal: :international journal of epidemiology research 0
seyed mehdi hosseini student research committee, epidemiology dept., hamadan university of medical sciences, hamadan, i.r. iran masoud parvin student research committee, epidemiology dept., hamadan university of medical sciences, hamadan, i.r. iran masoud bahrami student research committee, epidemiology dept., hamadan university of medical sciences, hamadan, i.r. iran manoochehr karami social determinants of health research center, hamadan university of medical sciences, hamadan, i.r. iran; epidemiology dept., hamadan university of medical sciences, hamadan, i.r. iran meysam olfatifar student research committee, epidemiology dept., hamadan university of medical sciences, hamadan, i.r. iran

background and aims: one of the most common approach to understanding spatial and temporal trends of event data is to break it up into a series of time snapshots. therefore space-time cube method applied in order to portray the likely trend in occurrence of the pulmonary tuberculosis (tb) cases. methods: in this study, information of all patients with pulmonary tb recorded in surveillance syste...

2014
Cynthia D Nevison

BACKGROUND The prevalence of diagnosed autism has increased rapidly over the last several decades among U.S. children. Environmental factors are thought to be driving this increase and a list of the top ten suspected environmental toxins was published recently. METHODS Temporal trends in autism for birth years 1970-2005 were derived from a combination of data from the California Department of...

2015
Gillian D Alton David L Pearl Ken G Bateman W Bruce McNab Olaf Berke

BACKGROUND Sentinel surveillance has previously been used to monitor and identify disease outbreaks in both human and animal contexts. Three approaches for the selection of sentinel sites are proposed and evaluated regarding their ability to capture overall respiratory disease trends using provincial abattoir condemnation data from all abattoirs open throughout the study for use in a sentinel s...

2012
Hyunjoo Song Bongshin Lee Bohyoung Kim Jinwook Seo

Line graphs have been commonly used for visualizing temporal trends in time series data. Since comparing trends is one of the main tasks for analyzing multiple temporal trends, many efforts have been made to enhance visual representations of line graphs to help people efficiently compare multiple temporal trends. However, as the number of line graphs increases, the overlap makes it difficult to...

Journal: :hepatitis monthly 0
maurizio montella epidemiology unit, istituto nazionale per lo studio e la cura dei tumori “fondazione giovanni pascale”, irccs, naples, italy; epidemiology unit, istituto nazionale per lo studio e la cura dei tumori “fondazione giovanni pascale”, irccs, naples, italy. tel: +39-815903816, fax: +39-815462900 matteo malvezzi department of epidemiology, “mario negri” farmachological research institute, irccs, milan, italy; department of clinical sciences and community health, università degli studi di milan, milan, italy maria grimaldi epidemiology unit, istituto nazionale per lo studio e la cura dei tumori “fondazione giovanni pascale”, irccs, naples, italy flavia nocerino epidemiology unit, istituto nazionale per lo studio e la cura dei tumori “fondazione giovanni pascale”, irccs, naples, italy ferdinando frigeri hematology unit, istituto nazionale per lo studio e la cura dei tumori “fondazione giovanni pascale”, irccs, naples, italy antonio pinto hematology unit, istituto nazionale per lo studio e la cura dei tumori “fondazione giovanni pascale”, irccs, naples, italy

conclusions the association between viral hepatitis and nhl in the area of interest might provide some degree of explanation to this finding. our data confirm that due to epidemic infection of hcv in the area of naples, a high mortality for nhl persists, moreover the adoption of standard therapeutic protocols administered in full accordance with an evidence-based approach and current guidelines...

Journal: :iranian red crescent medical journal 0
mohammad heidari modeling in health research center, institute for futures studies in health, kerman university of medical sciences, kerman, ir iran narges khanjani neurology research center, kerman university of medical sciences, kerman, ir iran aliakbar haghdoost modeling in health research center, institute for futures studies in health, kerman university of medical sciences, kerman, ir iran; school of health, haft baghe-alavi, kerman, ir iran. tel: +98-3431325820

results overall suicide mortality has increased from 10.6 per 100,000 in 2003 to 12.4 in 2014, which equals to 1.5 % (+0.1 - + 2.8) annual percentage change (apc). increase in suicide rate for women was remarkably higher than men (apc = 4.5 for women and 0.5 for men (p value < 0.001)). majority of increase belonged to age group 20 - 29 in women and 30-39 in men. old men have an increasing trend...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید