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

Egyptian Journal of Radiology and Nuclear Medicine

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

Vascular anomalies	Method of detection		χ² test	P Significance
Vascular anomalies	TTE	MDCT	χ² test	P Significance
Present	33 (55%)	51 (85%)	12.857	< 0.01* Highly significant
Absent	27 (45%)	9 (15%)	12.857	< 0.01* Highly significant

TTE trans-thoracic echocardiography, MDCT multi-detector computed tomography