Research Studies

HealthGrades Clinical Excellence Research & Consulting Group creates the largest annual studies of hospital quality in America, analyzing more than 40 million hospitalization records over the most recent three years. Each study provides the foundation for HealthGrades' hospital ratings as well as identifies national trends in hospital quality and patient safety.


HEALTHGRADES TRANSPLANT EXCELLENCE REPORT	November 2009 Top hospitals for transplantation identified by HealthGrades; Transplant Excellence Awards™ for heart, kidney, liver, and lung based on national registry for transplant recipients.	Read 2009 press release

HEALTHGRADES HOSPITAL QUALITY IN AMERICA STUDY	October 2009 Twelfth annual study finds large gaps persist between highest-performing hospitals and all others; patients have a 52% lower chance of dying at top-rated hospitals.	Read 2009 study Read 2009 press release Read 2008 study Read 2008 press release Read 2007 study Read 2007 press release Read 2006 study Read 2006 press release Read 2005 study Read 2005 press release Read 2004 study Read 2004 press release Read 2003 study

HEALTHGRADES BARIATRIC SURGERY TRENDS IN AMERICAN HOSPITALS STUDY	July 2009 Bariatric surgery patients have fewer complications at high-volume hospitals according to fourth annual HealthGrades study.	Read 2009 study Read 2009 press release Read 2008 study Read 2008 press release Read 2007 study Read 2007 press release Read 2006 study Read 2006 press release

HEALTHGRADES WOMEN'S HEALTH IN AMERICAN HOSPITALS STUDY	June 2009 Women's mortality rates for cardiovascular disease differ widely among hospitals, according to sixth annual study.	Read 2009 study Read 2009 press release Read 2008 study Read 2008 press release Read 2007 study Read 2007 press release Read 2006 study Read 2006 press release

HEALTHGRADES PATIENT EXPERIENCE REPORT	June 2009 Top hospitals for patient satisfaction identified by HealthGrades; Outstanding Patient Experience Award™ based on national, standardized, publically reported survey of patients' perspectives of hospital care.	Read 2009 press release Read 2008 press release

HEALTHGRADES PATIENT SAFETY IN AMERICAN HOSPITALS STUDY	April 2009 Patient Safety Excellence Award™ recipients identified by HealthGrades; top-performing hospitals have 43% lower incidence rate compared with poorest performers, according to sixth annual study.	Read 2009 study Read 2009 press release Read 2008 study Read 2008 press release Read 2007 study Read 2007 press release Read 2006 study Read 2006 press release See 2006 map Read 2005 study Read 2005 press release Read 2004 study Read 2004 press release

HEALTHGRADES AMERICA'S 50 BEST HOSPITALS REPORT	February 2009 America’s 50 Best Hospitals identified by HealthGrades.	Read 2009 report Read 2009 press release Read 2008 report Read 2008 press release Read 2007 report Read 2007 press release

HEALTHGRADES HOSPITAL QUALITY AND CLINICAL EXCELLENCE STUDY	January 2009 Distinguished Hospitals for Clinical Excellence identified by HealthGrades; top hospitals have on average a 27% lower mortality rate, according to seventh annual study.	Read 2009 study Read 2009 press release Read 2008 study Read 2008 press release Read 2007 study Read 2007 press release Read 2006 study Read 2006 press release Read 2005 study Read 2005 press release

HEALTHGRADES MATERNITY CARE REPORT	June 2007 The best-performing hospitals had 48% fewer maternal complications among women who had vaginal births compared to poor-performing hospitals.	Read 2007 report

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