News tagged with death rates
Steelhead trout lose out when water is low in wine country
(Phys.org) -- The competition between farmers and fish for precious water in California is intensifying in wine country, suggests a new study by biologists at the University of California, Berkeley.
May 08, 2012 |
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Time to shift view of seismic risk - experts
Knowledge of seismic risk is badly skewed in favour of earthquakes that occur on plate boundaries, such as the March 11 temblor that hit northeast Japan, rather than those that strike deep inland, a pair of ...
Space & Earth / Earth Sciences
May 22, 2011 |
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Tree deaths have doubled across the western US
(PhysOrg.com) -- A new study led by the U.S. Geological Survey and involving the University of Colorado at Boulder indicates tree deaths in the West's old-growth forests have more than doubled in recent decades, ...
Jan 22, 2009 |
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Study links smoking with most male cancer deaths
The association between tobacco smoke and cancer deaths — beyond lung cancer deaths — has been strengthened by a recent study from a UC Davis researcher, suggesting that increased tobacco control efforts could save more lives ...
Jan 21, 2009 |
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45,000 excess deaths annually linked to lack of health insurance: study
A study published online today estimates nearly 45,000 annual deaths are associated with lack of health insurance. That figure is about two and a half times higher than an estimate from the Institute of Medicine (IOM) in ...
Sep 17, 2009 |
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Sudden infant death syndrome linked to low levels of serotonin
The brains of infants who die of sudden infant death syndrome (SIDS) produce low levels of serotonin, a brain chemical that conveys messages between cells and plays a vital role in regulating breathing, heart rate, and sleep, ...
Medicine & Health / Medical research
Feb 02, 2010 |
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Science lacking on whether death penalty deters murder
Scientific research to date provides no useful conclusion on whether the death penalty reduces or boosts the murder rate, said a report by the US National Academy of Sciences on Wednesday.
Other Sciences / Social Sciences
Apr 18, 2012 |
3.3 / 5 (3) |
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Harp seals on thin ice after 32 years of warming
Warming in the North Atlantic over the last 32 years has significantly reduced winter sea ice cover in harp seal breeding grounds, resulting in sharply higher death rates among seal pups in recent years, according to a new ...
Jan 04, 2012 |
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Researchers link health-care debate to risk of dying in US and Europe
The current health care debate in the United States is complicated. Trade-offs between heath care expenditures, lifestyle choices and life expectancy have been suggested but seldom clearly demonstrated. The U.S. spends on ...
Medicine & Health / Medical research
Nov 06, 2009 |
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Scientists struggle to understand swine flu virus
(AP) -- Mexico's health secretary may have thought he was allaying fears about swine flu when he suggested that the nation's swine flu death rate was 6 or 7 percent. In reality, that would mean a monstrous ...
Medicine & Health / Diseases, Conditions, Syndromes
Apr 30, 2009 |
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Targeted drug therapy prevents exercise-induced arrhythmias
A 12-year-old Dutch boy - bedridden for three years because of an inherited cardiac arrhythmia syndrome - can now join his friends on the soccer field thanks to a discovery made by Vanderbilt University Medical Center researchers.
Medicine & Health / Medical research
Mar 29, 2009 |
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'Cow valve' heart implant hailed as breakthrough
A new type of heart valve made with cow tissue and inserted by catheter was hailed on Sunday as a major breakthrough that could eliminate the need for open heart surgery in some patients, US doctors said Sunday.
Apr 03, 2011 |
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'Healthy' patients at high risk of cardiac death identified
(PhysOrg.com) -- The way the heart responds to an early beat is predictive of cardiac death, especially for people with no conventional markers of cardiovascular disease, according to new research from Washington University ...
Medicine & Health / Diseases, Conditions, Syndromes
Feb 14, 2011 |
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Death rates among those with high blood pressure decreasing, but still high
Death rates have decreased among people with high blood pressure but remain far higher than in those without it, according to research in Circulation: Journal of the American Heart Association.
Apr 25, 2011 |
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Super Bowl losses can increase cardiac death
A new study published in the journal Clinical Cardiology reveals that a Super Bowl loss for a home team was associated with increased death rates in both men and women and in older individuals.
Jan 31, 2011 |
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Mortality rate
Mortality rate is a measure of the number of deaths (in general, or due to a specific cause) in some population, scaled to the size of that population, per unit time. Mortality rate is typically expressed in units of deaths per 1000 individuals per year; thus, a mortality rate of 9.5 in a population of 100,000 would mean 950 deaths per year in that entire population. It is distinct from morbidity rate, which refers to the number of individuals in poor health during a given time period (the prevalence rate) or the number who currently have that disease (the incidence rate), scaled to the size of the population.
One distinguishes:
In regard to the success or failure of medical treatment or procedures, one would also distinguish:
Note that the crude death rate as defined above and applied to a whole population can give a misleading impression. The crude death rate depends on the age (and gender) specific mortality rates and the age (and gender) distribution of the population. The number of deaths per 1000 people can be higher for developed nations than in less-developed countries, despite life expectancy being higher in developed countries due to standards of health being better. This happens because developed countries typically have a completely different population age distribution, with a much higher proportion of older people, due to both lower recent birth rates and lower mortality rates. A more complete picture of mortality is given by a life table which shows the mortality rate separately for each age. A life table is necessary to give a good estimate of life expectancy.
For more information about Mortality rate, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
