1. The top chart above (data here) shows both: a) unadjusted life expectancies for the U.S. and other OECD countries, and b) standardized life expectancies which are adjusted for the effects of premature death resulting from non-health-related fatal injuries. For unadjusted life expectancy, the U.S. ranks #14 out of 16 countries, but for the adjusted standardized life expectancy the U.S. ranks #1.
Take out the murders and the car crashes and the US seems to get very good results indeed from its health care system.
Assuming that is true it’s a wonder that it’s not more generally known really.