Is There Extra Cost of Institutional Care for MS Patients?

Table 3

Factors contributing to variation in MS days among facilities with high MS volume.

Number of SNFs	1,148
Number of observations	5,947
Effect	Estimate	Standard error	𝑃 value
Intercept	5.522	0.669	<.0001
Region
Midwest versus Northeast	−0.014	0.165	0.933
South versus Northeast	−0.298	0.159	0.061
West versus Northeast	0.361	0.179	0.044
Type of ownership
“Not for profit” versus “for profit”	−0.009	0.089	0.924
Governmental versus “for profit”	0.030	0.222	0.893
Mean cost per day, in $100	0.118	0.069	0.088
Mean 𝑁 of inpatient days, 100 K	0.471	0.373	0.207
Mean 𝑁 of admissions, in tens	−0.007	0.005	0.158
Mean case-mix index (CMI)	−1.733	0.678	0.011

SNF: skilled nursing facility; see the appendix for performance of the mixed model.