I'm not so sure that's the healthcare system. The USA doesn't do well in preventing that which is preventable.

The System is only as healthy as the population it serves. In the USA demand is high, price naturally follows. Reduce demand, prices will fall.

This link just happened to be what I found. I'm certain I've seen others.

https://www.thelancet.com/journals/lanpub/article/PIIS2468-2...