Consider this..."More people die in the Cleveland Clinic than the Walk-in clinic."
The ones in the Cleveland Clinic are sicker.
If you have a disease that is 100% fatal, and you get a treatment that is 90% effective but has a 10% complication rate, and you die of a complication, were you "killed by the doctor"?
Please note, that is why they call it the "Walk-in"clinic and not the "Walk-out" clinic. No guarantees.