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

Table 3 The cost differences for patients in the experimental group and the comparison group

Cost Variable	Experimental Group (C-AKIC) n = 138		Comparison Group (Current State) n = 136		pValue*	95% Confidence Interval	Cost Ratio**
Cost Variable	Mean	SD	Mean	SD	pValue*	95% Confidence Interval	Cost Ratio**
Patient	647.51	1825.54	1855.64	4615.32	<0.005	375.54 -2040.73	0.35
Provincial healthcare	1205.32	1757.52	3595.02	2042.31	<0.001	1934.82 -2844.57	0.34
Insurance	687.24	795.17	1503.67	1247.79	<0.001	566.64 -1066.22	0.46
MRI	109.32	215.50	331.88	288.59	<0.001	161.75 -283.36	0.33
Total	2549.59	3172.73	6954.33	5953.35	<0.001	3265.86 -5543.62	0.37

*t-test for independent samples.
**Cost ratio = ratio of costs for experimental group to costs for comparison group.

ISSN: 1472-6963