Table 4

Predictors of Decreased Infarct Zone Strain and EF in Univariable and Standard Multivariable Regression Analysis

Convalescent StrainConvalescent EF
UnivariableMultivariableUnivariableMultivariable
Rp Valueβp ValueRp Valueβp Value
Age−0.020.92−0.070.69
Sex0.190.280.400.020.160.18
Current smoker0.020.920.080.64
Hypertension0.010.950.200.25
Hypercholesterolemia0.100.560.030.87
Diabetes0.310.090.200.120.060.74
Heart rate at CMR0.010.94−0.160.36
Blood pressure, systolic/diastolic−0.03/0.050.9/0.8−0.01/−0.090.9/0.6
Pain onset to balloon time0.160.35−0.090.18
Anterior AMI−0.080.63−0.140.42
TIMI flow grade before PCI−0.310.070.110.430.170.32
TIMI flow grade after PCI0.001.000.001.00
LV mass (indexed to BSA)0.230.18−0.300.08−0.090.64
Remote mid-myocardial circumferential strain0.240.160.010.94
Myocardial salvage index−0.450.06−0.240.150.390.020.100.40
Area at risk−0.220.20−0.020.91
Infarct LGE transmural extent0.330.05−0.190.29−0.340.05−0.180.24
Infarct ECV0.65<0.00050.380.03−0.560.001−0.330.04

Variables are taken from acute visit. Multivariable standardized regression coefficient (β) and p values are shown where the variable was included in the multivariable analysis.

AMI = acute myocardial infarction; BSA = body surface area; other abbreviations as in Tables 1 and 2.