Extra-cellular expansion in the normal, non-infarcted myocardium is associated with worsening of regional myocardial function after acute myocardial infarction

Table 4 Linear regression of baseline patient parameters to number of myocardial segments with improved function at follow-up study

Number of myocardial segments (per-patient) with improved function
	Univariate	Multivariate	Beta
	P-Value	P-Value
Age	0.11
Sex	0.99
Diabetes Mellitus	0.57
Hypertension	0.69
Smoker	0.53
Time from onset of CP to reperfusion	0.93
Killip Class I	0.76
Killip Class II	0.85
Killip Class III-IV	0.79
Left main stem disease	0.14
1-vessel disease	0.48
2-vessel disease	0.67
3-vessel disease	0.87
TIMI flow pre-intervention	0.47
TIMI flow post intervention	0.47
LVEDV	0.74
LVESV	0.76
LV Mass	0.39
LV ejection fraction	0.51
Stroke volume	0.43
Infarct size	0.57
Area at risk (AAR)	0.18
Acute non-infarcted normal myocardial ECV	0.89
Acute AAR ECV	0.05	0.32
Acute Infarct ECV	0.04	0.037	0.29

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