Utilization and cost of a new model of care for managing acute knee injuries: the Calgary acute knee injury clinic

Table 2 Use of provincial healthcare services by patients with acute knee injuries

Cost Variable	Experimental Group (C-AKIC) n = 138		Comparison Group (Current State) n = 136		pValue*	95% Confidence Interval	Utilization Ratio**
Cost Variable	Mean	SD	Mean	SD	pValue*	95% Confidence Interval	Utilization Ratio**
Primary care physician⁺ clinical visits	1.01	1.82	1.66	1.99	0.005	0.20-1.11	0.61
Specialist⁺⁺ care clinical visits	2.53	1.26	3.72	3.03	<0.001	0.64-1.74	0.68
Emergency room visits	0.17	0.37	0.54	0.85	<0.001	0.18-0.50	0.31
MRI	0.21	0.40	0.65	0.54	<0.001	0.33-0.56	0.32

*t-test for independent samples.
**Utilization ratio = ratio of utilization for experimental group patients to utilization for comparison group.
⁺Primary care physician: family physicians and general practitioner.
⁺⁺Specialist: sport medicine physicians, orthopaedic surgeons.
C-AKIC: Calgary Acute Knee Injury Clinic.

ISSN: 1472-6963