By Joanne Finnegan @ Fierce Healthcare 

The amount spent by hospitalists can vary from doctor to doctor within the same facility, but those that spend more on tests and treatments may not see better patient outcomes, according to a new study.Researchers at Harvard Medical School examined a random 20% sample of nationally representative data on Medicare patients—including about 500,000 hospitalizations treated by 20,000 hospitalists at 3,000 U.S. hospitals. They found that 8.4% of variation in healthcare spending could be explained by differences between doctors. About 7% could be explained by differences in hospitals.

What’s more, the physicians that spent more did not see fewer readmissions or have lower mortality rates than those that spent less, according to the study, which was published in JAMA Internal Medicine.

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