Table 2.

Mean values of operating margin and total margin by binary variables in regression equations

	Operating margin		Total margin
	Yes	No	Yes	No
Academic medical center	− 0.0112	0.0145**	0.0608	0.0499
Medicaid expansion state	− 0.0016	0.0371**	0.0427	0.06842**
System member	0.0183	− 0.0172**	0.0557	0.0334**

*Mean significantly different at p < 0.05

**Mean significantly different at p < 0.01