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Table 4 Comparison of number of TOF patients with extra-cardiac vascular anomalies detected by TTE and MDCT

From: The role of MDCT in the assessment of cardiac and extra-cardiac vascular defects among Egyptian children with tetralogy of Fallot and its surgical implementation

Vascular anomalies Method of detection χ2 test P Significance
TTE MDCT
Present 33 (55%) 51 (85%) 12.857 < 0.01*
Highly significant
Absent 27 (45%) 9 (15%)
  1. TTE trans-thoracic echocardiography, MDCT multi-detector computed tomography