Comparison of prefreeze vs postthaw CD34⁺ cell counts to demonstrate the bank-MSKCC CD34⁺ cell count correlation, recovery, and postthaw viability for selected banks. Banks are labelled as per Table 4. The line of best fit is shown as a dashed line, CB units in the shaded region had less than 100% recovery postthaw, and red stars represent CB units with postthaw CD34⁺ cell viability <75%. CB units from Bank A had close Bank-MSKCC correlation and almost 100% recovery but a significant percentage had poor postthaw viability. CB units from Bank B had high recovery and few units had poor viability. CB units from Bank C had close Bank-MSKCC correlation, all units had good viability but recovery was low. Units from Bank F had both poor Bank-MSKCC correlation and low postthaw viability.