Preenrichment with Adipose Tissue-Derived Stem Cells Improves Fat Graft Retention in Patients with Contour Deformities of the Face

Table 1

	Conventional group ()	Stem cell group ()	value
Patient characteristics
Males	4	7	0.151^a
Females	17	9
Age (years) ()			0.004^b
Number of sessions and volume injected
Number of fat graft sessions ()			<0.001^c
Volume of fat transferred per session (ml) ()			0.524^b
Assessment
Soft tissue thickness (mm)
(i) Preoperative ()			0.602^b
(ii) Postoperative 72 hours after the first fat graft session ()			0.072^b
(iii) Postoperative 6 months after the first fat graft session ()			<0.001^b

^aChi-square test, ^bindependent sample -test, and ^cMann–Whitney test.