Table 3. Influencing factors associated with good mobilization.

		Good mobilization	The other	P value (univariate)	P value (multivariate)
Sex	Male	27	40	0.17
	Female	14	37
Age at PBSCH	<50 years	21	14	<0.001	<0.01
	>50 years	20	63
Disease	Healthy donor	13	23	0.30
	Malignant lymphoma	15	38
	Plasma cell neoplasm	13	16
Donor/no donor	Donor	13	23	0.84
	No donor	28	54
Body weight	<55 kg	17	31	1
	>55 kg	24	46
Date of PBSCH	Before June 2011	14	34	0.33
	After June 2011	27	43
PBSCH modality	Spectra Optia	16	24	0.42
	COBE Spectra	25	52
Course of PBSCH
	First course	40	62	0.01
	Second course	1	15
PBSCH days	Day 1	24	46	0.24
	Day 2	17	26
	Day 3	0	5
WBC count	<20,000/µL	20	41	0.70
	>20,000/µL	21	35
Myeloblast count	<12/µL	22	66	<0.001	<0.001
	>12/µL	18	9
Platelet count	<100,000/µL	18	38	0.57
	>100,000/µL	23	38
HPC count	<21/µL	9	44	<0.0001	<0.01
	>21/µL	32	26

Collection of more than 2.0 × 10⁶/kg of CD34+ cells in a single apheresis was defined as good mobilization; PBSCH, peripheral blood stem cell harvest; WBC, white blood cells; HPC, hematopoietic progenitor cell.