Table 4.

Multivariate Analysis of Hospital Factors Affecting Case Mix Index in 2009

		Adjusted Difference Between the Means (P value)
	Unadjusted Means (P value)	Overall	Public Only	Private Only
Private vs. public	1.21 vs. 1.05 (<0.0001)*	0.09 (<0.0001)*
Teaching vs. not	1.30 vs. 1.14 (<0.0001)*	0.03 (0.30)	0.02 (0.66)	0.03 (0.38)
Trauma 1 vs. not	1.45 vs. 1.17 (<0.0001)*	0.09 (0.11)	0.04 (0.41)	0.11 (0.19)
Increasing # of beds	0.06/100 beds (<0.0001)*	0.00003 (0.65)	0.0001 (0.26)	0.00001 (0.87)

^*P<0.05.