. Author manuscript; available in PMC: 2010 May 1.

Published in final edited form as: Clin Infect Dis. 2009 May 1;48(9):1285–1292. doi: 10.1086/597777

Table 2.

Mean Values (Standard Deviations) for Immune-Related Cell Counts per Calendar Period, 1985-2007

Laboratory Value	All Periods	1985-1990	1991-1995	1996-2001	2002-2007
CD4 Cell Count, cells/mm³	551 (250)	632 (276)	553 (249)	493 (214)	514 (229)
CD4 Cell Percentage, %	28 (9)	30 (9)	28 (9)	27 (9)	27 (9)
CD8 Cell Count, cells/mm³	963 (564)	997 (442)	1010 (810)	897 (429)	935 (399)
Total Lymphocyte Count, cells/mm³	2013 (792)	2143 (675)	2039 (1005)	1868 (648)	1926 (567)
White Blood Count, cells/ml	5513 (2027)	5870 (2059)	5461 (2344)	5257 (1815)	5449 (1560)