. 2010 Jun 30;65A(10):1042–1050. doi: 10.1093/gerona/glq110

Table 3.

Mean and Median Numbers of Circulating Progenitor Cells

Cell Type	% of MNCs (M ± SD)	% of MNCs, Median [interquantile range]
ALDH^br	0.068 ± 0.056	0.052 [0.024–0.087]
CD133⁺	0.061 ± 0.043	0.053 [0.030–0.079]
CD34⁺	0.127 ± 0.092	0.090 [0.061–0.173]
VEGFR-2⁺	0.337 ± 0.225	0.274 [0.202–0.424]
CD34⁺–CD133⁺	0.024 ± 0.018	0.019 [0.011–0.038]

Note: ALDH = aldehyde dehydrogenase; MNCs = mononuclear cells; VEGFR-2 = vascular endothelial growth factor receptor-2.