"It’s an idea that makes intuitive sense," Dr. Carrier said. "It’s just that the data set to test it didn’t exist until now."
But there is still a lot that the data set can’t explain. "There are many reasons why someone might order a test or not order a test," she added.
The National Institute for Health Care Reform funded the study. The authors had no conflicts to disclose.
mschneider@frontlinemedcom.com
On Twitter @MaryEllenNY