Table 2: Comparison of surgical results at Hamad Medical Corporation, 2000-2002 (HMC) with those reported from the European Cardio-Thoracic Surgical Registry (EUR).5 Abbreviations: ASD = atrial septal defect, VSD = ventricular septal defect, TOF = complete repair of tetralogy of Fallot, CAVSD = repair of complete atrioventricular septal defect, N = number of cases, M = mortality.