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Table 2 Comparison of material parameters showing the Non-Infarcted Group has greater end-systole YMf and YMi values

From: Material stiffness parameters as potential predictors of presence of left ventricle myocardial infarction: 3D echo-based computational modeling study

  C (kPa) YMf (kPa) YMc (kPa) C (kPa) YMf (kPa) YMc (kPa) YMi (%)
End of diastole End of systole
Infarct Group
 P1 2.5256 72.6 25.1 2.706 77.8 26.9 7
 P2 5.2316 150.4 52.0 5.9532 171.2 59.2 14
 P3 2.1648 62.2 21.5 2.4354 70.0 24.2 13
 P4 1.9844 57.1 19.7 2.255 64.8 22.4 14
 P5 2.0746 59.7 20.6 4.3296 124.5 43.0 108
 Mean 80.4 27.8   101.66 35.15 31.2
Non-Infarcted Group
 P6 2.5256 72.6 25.1 6.6748 191.9 66.4 164
 P7 2.5256 72.6 25.1 7.5768 217.8 75.3 200
 P8 3.7884 108.9 37.7 6.8552 197.1 68.2 81
 P9 4.059 116.7 40.4 6.8552 197.1 68.2 69
 P10 2.5256 72.6 25.1 6.8552 197.1 68.2 171
 Mean 88.68 30.68   200.2 69.26 137
 P(t test) 0.6939 0.6925   0.00149 0.00147 0.0115
  1. YM f YM value for the fiber direction, YM c YM value for circumferential direction of the fiber. \( {\text{YMi}} = \frac{{{\text{YM}}_{\text{f}} {\text{in end of systole}} - {\text{YM}}_{\text{f}} {\text{in end of diastole}}}}{{{\text{YM}}_{\text{f}} {\text{in end of diastole}}}} \)