TABLE 3.

Lymphocyte subset percentages and absolute-number reference ranges for males and females in the study population^a

Parameter	Lymphocyte absolute count	Value for cell type:										CD4/CD8 ratio
		CD3		CD19		CD4		CD8		NK
		% Positive	Absolute count	% Positive	Absolute count	% Positive	Absolute count	% Positive	Absolute count	% Positive	Absolute count
Mean ± SDb
Male	2,437 ± 645	66.0 ± 7.5	1,609 ± 454	13.6 ± 3.9	349 ± 213	35.0 ± 6.0	837 ± 262	27.3 ± 6.5	660 ± 231	18.8 ± 7.1	472 ± 247	1.4 ± 0.5
Female	2,325 ± 667	67.5 ± 7.7	1,575 ± 477	15.9 ± 5.4	356 ± 138	36.1 ± 6.6	839 ± 273	27.0 ± 7.2	628 ± 242	16.0 ± 7.6	375 ± 224	1.5 ± 0.6
Median
Male	2,358	67.0	1,565	13.0	325	35.0	814	27.5	636	18.0	413	1.30
Female	2,203	66.0	1,497	15.0	340	35.0	813	27.0	597	14.0	330	1.33
Reference range
Male	1,147-3,727	47.1-79.4	701-2,517	7.0-22.0	109-802	23.0-47.0	313-1,361	14.3-40.3	228-1,243	7.6-37.4	140-1,103	0.68-2.73
Female	1,342-3,859	49.2-80.0	800-2,751	7.2-31.1	138-645	21.5-48.8	399-1,489	12.6-41.4	254-1,193	5.2-36.6	96-998	0.70-3.22

^aAbsolute counts are given in cells per microliter. For males, n = 104; for females, n = 128.

^bMean ± SD values were compared by analysis of variance; only NK cell percentages and absolute counts were significantly different (P < 0.05).