Exhibit 4. Priority Groups in 2004 of Persons Eligible for VA in 1999 and Between 2000 and 2004 Percent (St.Dev).

	Percent Enrolled
	Eligible in 1999	Eligible between 2000 and 2004
Priority Group 1	13.1	1.7
	(33.7)	(12.8)
Priority Group 2	7.3	1.2
	(26.1)	(11.0)
Priority Group 3	14.2	4.1
	(34.9)	(19.8)
Priority Group 4	4.9	2.4
	(21.5)	(15.4)
Priority Group 5	33.1	31.7
	(47.1)	(46.5)
Priority Group 6	0.8	0.6
	(8.8)	(7.8)
Priority Group 7	1.9	6.1
	(13.6)	(23.9)
Priority Group 8	24.8	52.2
	(43.2)	(50.0)
Total Percent	100	100
Total N	69,669	55,373

NOTE. Two-sample t-tests indicate percents across cohorts in each priority group are statistically significantly different from one another, p<0.01.

SOURCE: VA and Medicare FFS enrollment and outpatient utilization databases in 1999 and 2004.