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Table 1 SNR and CNR measurements from rat data

From: Late gadolinium enhanced MRI in small animal models of myocardial infarction

Signal-to-noise ratio  
Infarcted myocardium 54.2 ± 10.4
Healthy myocardium 4.6 ± 0.5
Blood pool 31.7 ± 6.3
Relative contrast (%)  
Infarct to healthy myocardium 1101.3 ± 169.9
Infarct to blood 71.6 ± 18.6
Contrast-to-noise ratio  
Infarct to healthy myocardium 49.6 ± 10.1
Infarct to blood 22.5 ± 4.6