Exhibit 2. Mean PAC Payment Per PAC User and Mean PAC Episode Length by Episode Definition, 2008.

Episode Definitions	Mean PAC Payment Per PAC User (Standard Deviation) N = 659,549		Mean PAC Episode Length in Days (StandardDeviation) N = 659,549
Definition 1a—Any Claim Starting Within 30 Days of Discharge	$10,651		40.6
	($12,604)	(27.1)
Definition 1b—Any Claim Starting within 30 Days of Discharge Excluding Acute Hospital Readmissions and Subsequent PAC Services	$8,165		37.4
	($10,099)	(27.0)
Definition 1c—30 Day Fixed Period Following Hospital Discharge (Prorated)	$7,564		25.0
	($8,622)	(8.4)
Definition 1d—30 Day Fixed Period Following Hospital Discharge (Prorated) Excluding Acute Hospital Readmissions and Subsequent PAC Services	$5,745		22.7
	($6,988)	(9.7)
Definition 2a—Any Claim Starting Within 60 Days of Discharge	$12,825		50.5
	($15,574)	(30.7)
Definition 2b—Any Claim Starting within 60 Days of Discharge Excluding Acute Hospital Readmissions and Subsequent PAC Services	$8,521		43.6
	($10,634)	(29.7)
Definition 2c—60 Day Fixed Period Following Hospital Discharge (Prorated)	$11,241		43.2
	($12,835)	(18.7)
Definition 2d—60 Day Fixed Period Following Hospital Discharge (Prorated) Excluding Acute Hospital Readmissions and Subsequent PAC Services	$7,487		36.4
	($9,075)	(20.4)
Definition 3a—Any Claim Starting Within 90 Days of Discharge	$14,542		62.4
	($17,757)	(39.4)
Definition 3b—Any Claim Starting within 90 Days of Discharge Excluding Acute Hospital Readmissions and Subsequent PAC Services	$8,781		50.1
	($10,865)	(36.4)
Definition 3c—90 Day Fixed Period Following Hospital Discharge (Prorated)	$13,623		56.3
	($15,993)	(29.2)
Definition 3d—90 Day Fixed Period Following Hospital Discharge (Prorated) Excluding Acute Hospital Readmissions and Subsequent PAC Services	$8,252		44.2
	($10,241)	(29.5)

SOURCE: Medicare claims 2008.