Human Bone Marrow versus Adipose-Derived Stem Cells: Influence of Donor Characteristics on Expandability and Implications for Osteogenic Ex Vivo BMP-2 Regional Gene Therapy

Table 2

Cell characteristics.

	THA (n = 63)		TKA/AKS (n = 106)		value
	Mean	SD	Mean	SD
Age	59.37	7.57	61.35	12.72	0.166
Tissue volume (mL)	55.56	46.9	10.47	5.13	<0.001
Mono/SVF (×10^6 cells)	246.87	206.82	6.03	6.61	<0.001
Cell yield/mL (×10^6 cells/mL)	8.94	13.23	0.58	0.55	<0.001

THA = total hip arthroplasty, TKA = total knee arthroplasty, AKS = arthroscopic knee surgery, Mono = mononuclear cell count, SVF = stromal vascular fraction, and SD = standard deviation. Bold p values indicate significance.