A Systemic review of evidence on Cost effectiveness and quality of anesthesia care provided by certified registered nurse anesthetist

Points need to be discussed and compared include quality and cost of anesthesia care in terms of anesthesia provision by anesthesiologist alone

or nurse anesthetist alone or nurse anesthetist under supervision or direction of anesthesiologist.

.  comparing with the cost of care and quality of care provided by anesthesiologist as a sole provider

.  comparing anesthesia care quality and cost when nurse anesthetist is a sole anesthesia provider
.  comparing  anesthesia care quality and cost  when nurse anesthetist work under supervision of anesthesiologist