Medical malpractice claims with catastrophic payouts of $1 million or more

... comprised 7.9% of all paid claims during 2004-2010, according to a recent study.

Source: "Catastrophic Medical Malpractice Payouts in the United States," Journal for Healthcare Quality, abstract only, July/August 2014, http://onlinelibrary.wiley.com/doi/10.1111/jhq.12011/abstract