Table 3. Generalized linear model estimates of total variable direct costs.

Variable	Composite Measure of Quality		Summed Events Measure of Quality
	Coefficient	Standard Error	Coefficient	Standard Error
Log of Number of Admissions	0.982***	0.047	1.034***	0.050
Log of Average Length of Stay	0.326***	0.045	0.382***	0.061
Case-Mix Index	-0.016	0.010	-0.019*	0.011
Quality Monitors: Composite	-1.28*	0.679	---	---
Quality Monitors: Summed Events	---	---	-0.083 E-3**	0.042 E-3
Intercept	9.195***	0.586	8.577***	0.560
Number of Observations	264

* p < 0.10;

**p < 0.05;

***p < 0.01