PubMed Central, : RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2014 July; 5(3): e0017. ISSN: 2076-9172Published online 2014 July 25. doi: 10.5041/RMMJ.10151.

Table 3.

Resource Use and Outcomes after Implementation of American College of Cardiology/American Heart Association Preoperative Risk Assessment Guidelines.

Resource Utilization	I Controls n=102	II Post Guideline n=94	III Late Post Guideline n=104	P Value

				I vs II	I vs III
Stress test	90 (88%)	44 (47%)	43 (41%)	<0.001	<0.001
Coronary Angiography	24 (24%)	10 (11%)	11 (11%)	<0.05	0.01
PTCA or CABG	24 (24%)	2 (2%)	6 (6%)	<0.001	<0.001
Length of stay (days)	20.7	13.2		<0.001
Preop cost	$1087	$171		<0.001
Cost per case	$21,947	$15,188		0.02
Outcomes:
Death	4 (4%)	3 (3%)	0 (0%)	0.77
MI	7 (7%)	3 (3%)	5 (5%)	0.24
Death or MI	11 (11%)	4 (4%)	5 (5%)	0.08

PTCA, percutaneous transluminal coronary angioplasty; CABG, coronary artery bypass grafting.

RMMJ Rambam Maimonides Medical Journal Rambam Health Care Campus 2014 July; 5(3): e0017. ISSN: 2076-9172

Published online 2014 July 25. doi: 10.5041/RMMJ.10151