Table 2.

Per-Member Per-Month Costs, Utilization, and Trends: Risk Adjusted Per-Member Per-Month and Utilization per 1000

	pre	post	diff	pre	post	diff
	Intervention (n = 992)			Control (n = 995)			P value
PMPM (6 mo. mean)
Total	$359.59	$317.77	$−41.82	$228.81	$291.98	$63.17	0.00002
Inpatient	$179.65	$162.83	$−16.82	$100.66	$152.45	$51.78	0.01538
ED	$28.80	$23.44	$−5.36	$14.50	$18.13	$3.63	0.00687
Utilization (6 mo. mean)
Inpatient (per 1000)	28.14	22.23	−5.91	15.63	21.40	5.77	0.00001
ED (per 1000)	39.47	30.19	−9.28	19.64	24.26	4.62	0.00280

ED, emergency department; PMPM, per member per month.