Tag: "correlation" at medical news

New thrust needed to tackle health inequalities globally says UCL scientist

...r 4.5 million to violent causes. There is little correlation between gross national product (GNP) per person and life expectancy. Greece for example, with GNP at purchasing power parities of just more than $17,000, has life expectancy of 78.1 years; the USA, with GNP of more than $34,000, has life expectancy o...

HIV-1 spread through six transmission lines in the UK

... used if this was the case. Instead, we see little correlation between widespread availability of treatment and reduction of transmission. This is highly pertinent to the recent increase again in new HIV-1 diagnoses within the UK. "Our study also contradicts assumptions that the HIV-1 epidemic is composed of sm...

Women less likely to get quality heart attack care

...with men. But the new study is the first to show a correlation between this failure and mortality. "We owe women heart attack patients a full examination of the factors that might lead them to receive fewer of the proven drugs and lifestyle tips than men receive," says Eagle. "Now that we know that they get jus...

Emotional memory study reveals evidence for a self-reinforcing loop

...e study also revealed greater amygdala-hippocampal correlation during recollection of emotional pictures than during recollection of neutral pictures, they said. The researchers said that one way of explaining the "co-activation" of these two centers was that they could be part of a "synergistic mechanism," in ...

Even mild depression increases long-term mortality in heart failure

... cardiovascular disease, the mechanisms behind the correlation are not well understood, Jiang said. It is known that depressed patients have altered blood platelet aggregation properties, elevated immune-inflammatory responses and a decrease in the heart's ability to react appropriately to the stresses of everyd...

Implanted devices detect high-risk heart failure patients

...d the CRT-D device, the researchers found a strong correlation between the heart rate variability changes within two weeks of implantation and mortality one year later. "This approach may play a significant role in targeting a subset of heart failure patients for whom we need to be more aggressive if we don't s...

Study: Eye contact triggers threat signals in autistic children's brains

...nteract with their autistic students. Tracking the correlation between eye movements and brain activity, the researchers found that in autistic subjects, the amygdala - an emotion center in the brain associated with negative feelings - lights up to an abnormal extent during a direct gaze upon a non-threatening f...

Depression predicts heart rhythm abnormalities in heart attack patients

...the non-depressed patients. We also found a strong correlation between the severity of the depression and the number of beats of ventricular tachycardia." Specifically, the researchers found that based on scores from the commonly used Beck Depression Inventory (BDI), going from a non-depressed state to mild depr...

Flu vaccination impact on elderly deaths may be over-estimated

...0 to 65 percent in 2001, the authors could find no correlation between this increasing vaccination coverage after 1980 and declining deaths rates in any age group. Observational studies may introduce a systematic bias that leads to a substantial over-estimate of the impact of influenza vaccination on mortality, ...

State policies decrease youth smoking, drinking and sex

...ool of Public Health. The researchers also found a correlation between an increased availability of family planning clinics and a decrease in teen sexual intercourse. The study results suggest that state and local legislatures can help teenagers make decisions to avoid unhealthy behaviors by implementing laws to...

Sunlight reduces risk of lymph gland cancer

...gkin's, by some 30-40 per cent. "We find a similar correlation if we analyse responses by country or by skin-type," says Karin Ekstrm Smedby, postgraduate at KI's Department of Medical Epidemiology and Biostatistics. "This reduces the risk of systematic error and increases the credibility of our study." The stud...

Living in a disadvantaged neighborhood may increase HIV risk

...rug equipment. The researchers did not see a clear correlation between stress and injection frequency in female study participants. The researchers note that depression is often viewed as a personal or individual attribute that should be treated with medication or psychotherapy. However, the results of this stud...

Severity of liver disease not a reliable indicator of quality of life

...ents with end-stage liver disease, there is a poor correlation between quality of life scores and the severity of disease as measured by MELD. "Patients consider quality of life in addition to survival when making healthcare decisions," note the authors. "In liver disease in particular, it is essential to unders...

Carefree people care less about cancer symptoms, endanger health

...udy to both colon and rectal cancers to see if the correlation between personality traits and symptom recognition can be replicated in larger groups and for the less-defined set of symptoms characteristic of colon cancer....

Magnetic resonance imaging deconstructs brain's complex network

... The investigators then calculated the degree of correlation between the activities among the tens of thousands of brain regions. Through their computations, the group discovered which brain regions were momentarily "linked" in a "network." When they further analyzed the structure of these networks, they sa...

Research by scientists affiliated with the Earth Institute at Columbia University

... the previously known techniques of waveform cross correlation to improve seismic arrival time measurements, and ... fault structures in Northern California and their correlation with the local geology. Felix Waldhauser, Doherty Associate Research Scientist, LDEO ( felixw@ldeo.c...

Little evidence to link mercury fillings to human health problems

... There is insufficient evidence to support a correlation between dental amalgam exposure and kidney or cognitive dysfunction; neurodegenerative disease, specifically Alzheimer's disease and Parkinson's disease; or autoimmune disease, including multiple sclerosis; Various non-specific complaints attribu...

Tumor size alone not always best for gauging treatment response

...In those 29 patients, the researchers found a high correlation between the tumor responses based on tumor density and changes in internal characteristics of the tumors shown on CT and the changes in glucose metabolism of the tumors shown on PET. In general practice, CT is used to gauge tumor response to treatmen...

Prevalence of nonalcoholic fatty liver disease varies by ethnicity

...tabolic syndrome. Notably, no significant positive correlation was found between daily ethanol intake and HTGC. The results suggest that there are fundamental differences in lipid homeostasis among ethnic groups. The authors found that while blacks and Hispanics had similar levels of obesity ...

Colon cancer screening with CT may also identify heart attack risk

...95 to 1998. Medical records showed a direct correlation between high aortic calcium scores measured during the procedure and the nine patients who experienced heart attacks subsequent to the screening. By noting calcification scores during virtual colonoscopy procedures, physicians may have an add...

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