Table 4 Correlation between bank... | American Society of Hematology

Table 4

Correlation between bank prefreeze and MSKCC postthaw total CD34⁺ cell counts, CD34⁺ cell recovery, and postthaw CD34⁺ cell viability by bank grouped according to the number of CB units thawed

Bank by number of units thawed	Bank vs MSKCC total CD34⁺ cell count correlation*	Median % CD34⁺ cell count recovery postthaw (range)*	Percent with <75% viable CD34⁺ cells postthaw†
≥20 units each
Bank A	r² = 0.82	99% (46-156)	9%
Bank B	r² = 0.81	115% (48-280)	2%
Bank C	r² = 0.96	72% (55-89)	0%
10-19 units each
Bank D	r² = 0.85	122% (88-189)	0%
Bank E	r² = 0.44	73% (44-108)	6%
Bank F	r² = 0.56	87% (38-127)	54%
Bank G	r² = 0.83	90% (58-140)	6%
Bank H	r² = 0.62	109% (58-252)	7%
Bank I	r² = 0.56	100% (12-137)	0%
Bank J	r² = 0.52	96% (62-169)	0%
5-9 units each
Bank K	r² = 0.81	111% (75-156)	20%
Bank L	r² = 0.56	57% (42-106)	0%
Bank M	r² = 0.81	93% (62-149)	20%
1-4 units each
Other (29 banks)	r² = 0.68	87% (47-1480)	25%

Bank by number of units thawed	Bank vs MSKCC total CD34⁺ cell count correlation*	Median % CD34⁺ cell count recovery postthaw (range)*	Percent with <75% viable CD34⁺ cells postthaw†
≥20 units each
Bank A	r² = 0.82	99% (46-156)	9%
Bank B	r² = 0.81	115% (48-280)	2%
Bank C	r² = 0.96	72% (55-89)	0%
10-19 units each
Bank D	r² = 0.85	122% (88-189)	0%
Bank E	r² = 0.44	73% (44-108)	6%
Bank F	r² = 0.56	87% (38-127)	54%
Bank G	r² = 0.83	90% (58-140)	6%
Bank H	r² = 0.62	109% (58-252)	7%
Bank I	r² = 0.56	100% (12-137)	0%
Bank J	r² = 0.52	96% (62-169)	0%
5-9 units each
Bank K	r² = 0.81	111% (75-156)	20%
Bank L	r² = 0.56	57% (42-106)	0%
Bank M	r² = 0.81	93% (62-149)	20%
1-4 units each
Other (29 banks)	r² = 0.68	87% (47-1480)	25%

n = 361 CB units as 41 units were excluded due to missing prewash CD34⁺ cell count (n = 40) or missing bank CD34⁺ cell count (n = 1).

†

n = 402 CB units.

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