Table 1.

Assessment parameters

Correlation to total CD34 cells/kg yield	Assessment variable	P
Positive correlation	Baseline CD34/µL	.003
	Preapheresis CD34/µL	<.001
	WBC (109/L)	.01
	Platelet count (109/L)	.03
	Number of days HU held	.01
Negative correlation	Age	<.001
	Hospitalizations previous year	.01
	Number of chronic pain medications	.002
No correlation	Sex	.11
	Hemoglobin (g/dL)	.94
	ARC (103/µL)	.26
	Pretransfusion HbS%	.82
	Posttransfusion HbS%	.55
	HbF%	.14
	Lactate dehydrogenase (U/L)	.28
	Aspartate aminotransferase (U/L)	.37
	Total bilirubin (mg/dL)	.89
	Alkaline phosphatase (U/L)	.63
	C-reactive protein (mg/mL)	.92

Bold indicates P ≤ .05.