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Table 1 Classification of the patients according to their clinical types and VSD location:

From: Is combined MDCT and echocardiography needed to guarantee accuracy in diagnosis and surgical planning of DORV and associated anomalies?

Type Type I-Fallot type Type II- VSD type Type III- (Taussig–Bing anomaly) Type IV- Remote or AVSD type Total number of patients
Location of VSD Sub-aortic Doubly committed Sub-pulmonic VSD away from both pulmonary artery and aorta  
No. of patients 24 3 15 8 50
% 48 6 30 16 100
  1. VSD: Ventricular septal defect, AVSD: atrio-ventricular septal defect