TABLE 2.

Post-index Health Care Resource Utilization and Costs (Annualized, Unadjusted)

	DMD Cohort (n = 75)		Matched Control Cohort (n = 750)		P Value
	Mean	SD	Mean	SD
All-cause health care utilization
Office visit	11.92	16.92	4.50	5.25	< 0.001
Outpatient visit	6.42	6.39	0.84	1.79	< 0.001
Inpatient admission	0.23	0.47	0.02	0.14	< 0.001
Emergency room visit	0.68	1.22	0.31	1.27	0.016
Unique medications, per year	2.95	2.47	1.54	1.65	< 0.001
Medication dispensings, per year (Rx fills)	16.31	18.81	3.93	5.55	< 0.001
All-cause health care costs (U.S. $)
Ambulatory	4,838	5,105	1,015	2,049	< 0.001
Inpatient	11,274	33,859	313	2,514	0.006
Emergency room	517	1,706	60	184	0.023
Othera	5,901	9,695	63	313	< 0.001
Medical cost	22,530	39,041	1,451	3,745	< 0.001
Pharmacy cost	1,487	2,861	301	663	< 0.001
Total cost	24,017	39,369	1,752	3,870	< 0.001

^aOther costs defined as anything not classified as ambulatory, inpatient or emergency room; includes items such as durable medical equipment and ambulance.

Rx = prescription; SD = standard deviation.