Table 2.

Results: Cluster Analysis of Utilization Among High-Cost Clusters, Median (Inter-Quartile Range)

	Ambulatory Care	Surgical	Critically Ill	Frequent Care	Mixed Utilization
Patients (n)*	415	297	164	281	329
Age*	68 (14)	68 (10)	69 (23)	67 (23)	68 (14)
Admissions	0 (0)	1 (1)	2 (2)	2 (1)	1 (0)
Inpatient days	0 (0)	5.8 (6.1)	19.4 (18.6)	11.8 (10.0)	4.8 (3.6)
ICU days	0 (0)	0 (0.2)	4.0 (4.3)	0 (0)	0 (0)
Inpatient surgeries	0 (0)	2 (1)	0 (1)	0 (0)	0 (0)
ED Visits	0 (1)	0 (1)	2 (3)	3 (3)	1 (2)
PCP visits	2 (3)	2 (4)	2 (4)	3 (5)	3 (4)
Specialist visits	14 (13)	9 (8)	10 (12)	13 (13)	11 (10)
Ancillary visits	10 (13)	12 (13)	9 (17)	13 (18)	9 (14)
Inpatient costs ($)	0	27,851	48,019	22,453	12,611
Outpatient costs ($)	30,266	10,645	12,106	16,564	15,794

*Represents variables that were not incorporated in the cluster analysis