Caldwell et al., 1991

Am J Clin Pathol 95:816-823, 1991

B-Cell Precursors in Normal Pediatric Bone Marrow.

Caldwell CW, Poje E, and Helikson MA

Specimens prepared using the whole blood method. Caldwell et al. reported the means and standard deviations which have been translated into the ranges shown below without consideration for normality of the distributions.

Pediatric Bone Marrow Aspirates

			Mean ± (1.96 x S.D.)
			Percentage
CD	Age	N	Min	Max
CD2	1-5 yr	15	16	51
	6-10 yr	18	37	72
	11-15 yr	12	43	76
CD4	1-5 yr	15	6	33
	6-10 yr	18	15	39
	11-15 yr	12	25	48
CD8	1-5 yr	15	4	22
	6-10 yr	18	14	33
	11-15 yr	12	11	30
CD10	1-5 yr	15	13	41
	6-10 yr	18	7	28
	11-15 yr	12	7	23
CD19	1-5 yr	15	20	68
	6-10 yr	18	22	44
	11-15 yr	12	13	32
CD20	1-5 yr	15	19	40
	6-10 yr	18	11	31
	11-15 yr	12	4	17
CD21	1-5 yr	15	0	14
	6-10 yr	18	1	14
	11-15 yr	12	2	14

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