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Table 5 Sample size needed (per arm) to detect potential therapeutic effect on infarct size

From: Sources of variability in quantification of cardiovascular magnetic resonance infarct size - reproducibility among three core laboratories

 

3% LVa

5% LVa

7% LVa

AUTO-UCSegment

168

62

32

MANUAL-ISI

174

63

33

VISUAL-ISI

170

62

32

  1. a3%, 5%, and 7% represent an absolute reduction in infarct size as a percentage of left ventricular mass