Table 2.

Linear Regression Model for Predictors of CPC Subsets

Variable	CD34+		CD34+/CD133+		CD34+/CXCR4+		CD34+/VEGF+
	% Change (95% CI)	P Value	% Change (95% CI)	P Value	% Change (95% CI)	P Value	% Change (95% CI)	P Value
Age (per 10-y increase)	−9.8 (−12.3 to −7.1)	<0.001	−11.9 (−14.7 to −9.1)	<0.001	−8.2 (−11.2 to −5.2)	<0.001	−0.5 (−11.7 to 12.1)	0.94
Body mass index (per 5-U increase)	6.1 (3.4 to 8.9)	<0.001	8 (4.9 to 11.2)	<0.001	3.6 (0.5 to 6.7)	0.02	−13 (−22 to −3.1)	0.01
GFR (per 10-U increase)	0.1 (−1.1 to 1.4)	0.85	−0.5 (−1.9 to 0.9)	0.50	0 (−1.4 to 1.5)	0.95	−6.9 (−11.8 to −1.7)	0.01
Male	12.2 (5.2 to 19.5)	<0.001	9.3 (1.7 to 17.5)	0.02	11.4 (3.5 to 20)	0.004	3.3 (−21.1 to 35)	0.82
Black	−11.7 (−18 to −5)	0.001	−9.1 (−16.3 to −1.1)	0.03	−6.9 (−14.5 to 1.4)	0.10	−15 (−37.7 to 16.1)	0.31
Hypertension	5.4 (−3.9 to 15.7)	0.26	3.8 (−6.6 to 15.3)	0.49	3.8 (−6.9 to 15.6)	0.50	82.2 (23.1 to 169.9)	0.003
Former or current smoking	3.8 (−2.5 to 10.4)	0.24	6.3 (−0.9 to 14)	0.09	7.7 (0.2 to 15.7)	0.04	−11.6 (−31.9 to 14.9)	0.36
Diabetes mellitus	2 (−4.2 to 8.7)	0.54	4.5 (−2.7 to 12.2)	0.23	4.1 (−3.2 to 12)	0.28	3.5 (−20.6 to 34.7)	0.80
Hyperlipidemia	3.7 (−3.9 to 11.9)	0.35	3.8 (−4.8 to 13.1)	0.40	6.2 (−2.8 to 16)	0.18	−9.1 (−34 to 25.4)	0.56
Acute myocardial infarction	19.2 (7.5 to 32.2)	0.001	24.6 (10.7 to 40.2)	<0.001	27.8 (13.2 to 44.2)	<0.001	141.6 (55.7 to274.3)	<0.001

CI indicates confidence interval; CXCR4, chemokine (C-X-C motif) receptor 4; GFR, glomerular filtration rate; and VEGFR, vascular endothelial growth factor receptor.