An Antigenic Threshold for Maintaining Human Immunodeficiency Virus Type 1-specific Cytotoxic T Lymphocytes

Table 1 Clinical characteristics of the subjects

Subject	Sex	Age	Length of Infection (months)	Length of Infection (days)	Antiretroviral Treatment CD4/μl*	Plasma RNA (copies/ml)
LTNPs
1	M	46	156	No	560–740	430
2	M	41	170	No	800–1000	1902
3	M	38	145	No	500–700	80
4	M	44	190	No	400–800	6148
5	F	42	195	No	279	575
6	M	40	200	No	505	6501
Others
7	M	44	37	670	704	<50
8	M	54	30	365	569	<50
9	M	34	37	700	420	<50
10	M	46	41	538	426	<50
11	M	31	36	575	627–752	<50
12	M	32	31	862	500–809	<50
13	M	37	31	535	395–695	<50
14	M	36	29	865	1015–1033	<50

*The range of CD4 count over that period is given when data on a particular date is not available.

ISSN: 1528-3658