TABLE 1.

Size of Left Ventricle, Risk Region, and Infarct

Group	Age, wk	Body Wt, g	Heart Wt, mg	Heart Wt/Body Wt	LV Wt, mg	Risk Region Wt, mg	Infarct Wt, mg	Risk Region, % of LV	Infarct, % of Risk Region	Infarct, %of LV
Group 1 (AMI; n = 10)	18±2	30.0 ±1.0	157.7±7.9	0.53±0.02	117.3±7.0	49.6±4.1	30.0 ±2.4	42.8 ±3.5	61.5±3.0	26.1±2.2
Group 2 (EPC, AMI; n = 7)	20±1	31.4±0.7	161.0±7.8	0.51±0.02	125.4±5.5	49.1±2.1	9.9 ±1.7*	39.5 ±2.1	19.8±2.6*	7.8±1.2*
Group 3 (AMD, AMI; n = 9)	20±3	27.5±1.5	125.0±8.0	0.50±0.0	92.9±6.0	33.2±2.6	17.0 ±1.9	36.0 ±2.1	51.1±3.5	18.3±1.5
Group 4 (SDF-1α, AMI; n = 8)	17±3	28.6 ±2.1	121.9±4.7	0.44±0.02	91.0±4.2	32.9±1.9	9.7 ±1.3*	36.1 ±1.2	29.4±3.9*	10.6±1.5*
Group 5 (AMD+SDF-1α, AMI; n = 6)	12±1	26.1 ±0.6	120.0±4.1	0.46±0.02	90.3±2.6	34.7±1.5	18.6 ±1.7	38.7 ±2.2	53.8±5.1	20.4±1.3

Wt indicates weight; Heart Wt, total heart weight (ventricles and atria); LV, left ventricle; AMI, acute myocardial infarction; and EPC, early PC. Data are mean±SEM.

^*P<0.05 vs group 1.