What do outcomes data say? The truth is, robust evidence directly comparing solo CRNA care to anesthesiologist care is not abundant – mainly because anesthesia care in the U.S. is very safe across the board, making differences hard to detect without huge sample sizes. That said, physician advocates highlight research that questions the supposed equivalence of CRNA care in certain contexts. For example, studies of “opt-out” states have found no improvement in access to surgica