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Table 3 The effect of intramyocardial hemorrhage (IMH) on infarct and remote zone strain

From: Left ventricular functional recovery of infarcted and remote myocardium after ST-segment elevation myocardial infarction (METOCARD-CNIC randomized clinical trial substudy)

 

Infarct zone circumferential strain (%)

Remote zone circumferential strain (%)

1 week

6 months

MD [95% CI]

P-value*

1 week

6 months

MD [95% CI]

P-value*

IMH (N = 81)

−4.1 ± 9.4

−10.5 ± 7.8

−6.4 [−8.3 to − 4.4]

< 0.001

−19.2 ± 7.7

− 19.3 ± 3.7

−0.2 [− 1.7 to 1.4]

0.852

No IMH (N = 110)

− 11.9 ± 7.1

−17.4 ± 6.8

−5.5 [− 6.5 to − 4.4]

< 0.001

−19.8 ± 4.0

− 19.1 ± 4.1

0.6 [− 0.1 to 1.4]

0.102

MD [95% CI]

7.8 [5.5 to 10.2]

6.9 [4.8 to 9.0]

  

0.6 [−1.1 to 2.3]

−0.2 [− 1.3 to 0.9]

  

P-value

< 0.001

< 0.001

  

0.504

0.736

  
  1. CI confidence interval, IMH intramyocardial hemorrhage, MD mean difference
  2. *the P-values for the strain difference between 6 months and 1 week
  3. †the P-values for the strain difference between the group