Enhanced Collection of Laboratory Data in HIV Surveillance Among 5 States with Confidential Name-based HIV Infection Reporting, 2005-2006

Table 1A: Stage of HIV Infection Based on CD4 Test^a Performed within 3, 6, and 12 Months Following HIV Diagnosis Among Adults and Adolescents in 5 States^b with Enhanced Data Collection, 2005-2006

	≤3 mo		≤6 mo		≤12 mo
	No.	(%)	No.	(%)	No.	(%)
Stage 1	295	9.6	329	10.7	359	11.7
Stage 2	891	29.1	968	31.6	1,031	33.6
Stage 3 (AIDS)	1,087	35.5	1,120	36.5	1,155	37.7
Stage unknown	791	25.8	648	21.2	521	17.0
Missing CD4 collection date	1	0	0	0	0	0
Total	3,065	100	3,065	100	3,065	100