Obama claims that the Affordable Care Act was a major Reason in preventing 50,000 patient deaths

http://www.washingtonpost.com/blogs/fact-checker/wp/2015/04/01/obamas-claim-the-affordable-care-act-was-a-major-reason-in-preventing-50000-patient-deaths/

Click the link if you want to learn more about Obama's claim and what statistics made his claim plausible

"Largely relying on more than 30,000 medical records, the study looked at how many fewer patient-related problems had taken place in hospitals—the study calculated 1.3 million fewer incidents over three years–and then used that to determine how many lives might have been saved. In general, the researchers used mortality estimates from other research."