Outside of diagnostically defined cohort it’s a bit of a silly idea as you can attempt on anyone without respect to readily identified odds of success [1] so the what of CPR isn’t readily untangled from the who of it.
Out of hospital is a similar story but with less ability to triage and thus the same pattern in which the fact of CPR [2] is less informative than the underlying problem [3, old but the best study I know of would be interested if someone knows of an update to it given in hospital trend since].
0. https://www.nejm.org/doi/full/10.1056/NEJMoa1109148
1. https://pmc.ncbi.nlm.nih.gov/articles/PMC8118500/
2. https://ccforum.biomedcentral.com/articles/10.1186/s13054-02...
So no, I don't think that's why. If anything, the amount and quality of average care for the average US citizen is lower, if life expectancy and my anecdotal observation are valid indicators.
It's expensive because it's a business designed to make profit every step of the way, and over time has created many steps to feed.
>have heart attack, which is when an artery clog prevents oxygen and blood from getting to the heart
>heart tissue impacted by clogged artery dies
>ED did revive person and get the heart beating again, but the dead tissue is still there and goes through the dying / fibrotic process over several days
>during the process the tissue is in a fragile state, so the heart can rupture
this is how carrie fisher died, a few days after the heart attack, for example