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Table 1 Fisher's Exact Test for the diagnostic accuracy of the compared imaging modalities.

From: Diagnostic accuracy of cardiac MRI in hemodinamically unstable patients with valvular heart disease when echocardiogram fails compared to surgical findings

Imaging Modality Accurate Diagnosis Non Accurate Diagnosis
Echocardiogram 4 8
Cardiac Magnetic Resonance 12 0
  1. p value = 0.001