Table 4.

Occurrence of duplication by source of admission and corresponding estimated cost

Source of admission	Total admissions	Not clinically indicated (% duplicated)	% Not clinically indicated	No duplication	Estimated total cost*	Estimated duplication cost per patient†
Catheterization laboratory	56	1 (2%)	11%	55	$121	$2.17
Outpatient visit	29	16 (55%)	89%	13	$1134	$39.10
Totals	85	17 (20%)	63%	68	$1255	$14.77

^*Based on 2008 Medicare fee schedule.

^†Cost in dollars/total patients admitted via specific source of admission.