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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 week6 monthsMD [95% CI]P-value*1 week6 monthsMD [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 ± 4.10.6 [− 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  0.5040.736  
  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