This has con-tributed to as many as 98,000 deaths in hospitals due to preventable medical errors.

Hospitals kill that many patients every year because of missed diagnoses, medication mishaps and other preventable errors.

The profit-driven character of the system can also be seen when preventable error happens.

As a preventable medical error, it occurs more frequently than "wrong site" surgery.

That's $7.4 trillion over the next decade for duplicate tests, preventable errors, unnecessary hospitalizations and other waste.

Every year some 98,000 Americans die in the hospital from preventable medical errors, like receiving the wrong medication.

Yet a large number of preventable errors occur in the nation's hospitals, and the mechanisms for quality control are not firmly enforced.

Prescribing errors are the largest identified source of preventable errors in hospitals.

"Nationwide every year, as many as 98,000 people die from preventable medical errors in hospitals," she said.

As many as 195,000 people die each year because of preventable in-hospital medical errors.