12-month outcomes: Compared to PMP/IVIG, Acthar had lower hospitalizations (0.2 vs. 0.6, p=0.0002), outpatient services (31 vs. 48, p<0.0001), inpatient ($15,300 lower, p=0.001) and outpatient costs ($54,100 lower, p<0.0001) with similar total costs ($5,000 higher, p=0.69).