The data on how much we like our health insurance.

I'm David Brancaccio in New York.

We're leading with what the data show about America's attitudes toward health insurance companies.

This at a time that social media has been ablaze with criticism of a system that's often confounding for patients and sometimes has deadly consequences.

In the wake of the murder of his

colleague earlier this month, the CEO of the parent company of United Healthcare has acknowledged

that the health care system in America needs fixing. A survey from last year found that most people

give OK marks to health insurers, although the grades go down for people who need care more.

We also know that about 15 percent of insurance claims are denied, a to health insurers, although the grades go down for people who need care more.

We also know that about 15% of insurance claims are denied, according to the National Association of Insurance Commissioners.

Kay Pestana is vice president of the nonprofit KFF, which has done research on this.

She joins us now for more.

Welcome.

Thanks for having me.

Your team did scientific polling on this,

and most insured adults give health insurance companies positive ratings. How positive?

Most folks like their insurance, they're happy to have it. The issue is what happens when they

have to use it. When you drill down, about 60% of those we surveyed indicated that they had a problem with their health insurance.

Most people don't need acute health care most of the time, which is a good thing,

particularly those under 65, right, those with employer coverage.

We always talk about maybe it's about 20% of folks who are really spending most money

because they're the ones who are in need of health care. And so I guess it's not 20% of folks who are really spending most money because they're the ones

...