Posts Tagged ‘statistics’

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January 18th, 2013

A Possible Treatment for “Methods Myopia”

Yale researcher Leslie Curry offers a pithy primer on mixed-methods research — and on why it should matter to cardiologists who want to lead.


December 12th, 2012

State of the Heart: AHA Publishes Year-End Statistical Update

Although deaths from cardiovascular disease have been declining for many years, continued progress is threatened by disturbing trends in U.S. lifestyles. That’s the clear message from the American Heart Association’s year-end report, “Heart Disease and Stroke Statistical Update 2013,” published in Circulation. “Americans need to move a lot more, eat healthier and less, and manage risk […]


November 20th, 2012

PFO Occluder Devices Don’t Get No RESPECT

David Hillis invokes Rodney Dangerfield in considering the findings of a recent trial of a PFO closure device.


March 27th, 2012

Statistical Pitfalls: The Onus is on Us to Look at the Evidence

Light, not just heat, is generated in a highly animated and entertaining session on how to interpret research data.


January 23rd, 2012

Drug-Eluting vs. Bare-Metal Stents, Using Instrumental Variable Analysis

David J. Cohen, the principal investigator of an observational PCI registry study of drug-eluting versus bare-metal stents, sheds light on a risk-adjustment technique called “instrumental variable analysis.” CardioExchange welcomes your thoughts on the value of this method and on the study it was used to elucidate. The Study Using data from a prospective observational PCI registry, researchers […]


December 15th, 2011

The Good, the Bad, and the Ugly: AHA Releases Update of Heart and Stroke Statistics

Once again, statistics on the cardiovascular health of the United States portray a complicated picture of improvement and decline. On the one hand, deaths from cardiovascular disease continue to decline. On the other hand, ominous trends, many stemming from the increase in obesity, suggest that the good news may not last much longer. The full […]


September 5th, 2011

Base-Rate Neglect: A Common Clinical Fallacy

Estimating probabilities subjectively can lead to indiscriminate testing.


December 9th, 2010

CDC Demotes Stroke to Fourth Leading Cause of Death

Chronic lower respiratory disease (CLRD) has replaced stroke as the third leading cause of death in the United States, according to preliminary 2008 statistics published by the CDC’s National Center for Health Statistics. In 2008, there were 133,750 deaths from stroke compared to 141,075 deaths from CLRD. Although the stroke rate has been declining for […]