Table 3

Presentation of cardiovascular abnormalities in Down’s syndrome, showing undiagnosed cases at each stage and performance of neonatal and 6 week examinations

Diagnostic groupCAVSDVSDASDTOFPDACOAPSMiscellaneousTotals
Total cases51271366211107
Not diagnosed before birth47261366211102
Remaining after other exclusions4021126620188
Not diagnosed before neonatal examination3620124620181
Received neonatal examination3620124620181
Abnormal neonatal examination91154220033
Not diagnosed before discharge3014120610164
Not diagnosed before 6 weeks181250100036
Received 6 week examination720000009
Abnormal 6 week examination310000004
Not diagnosed before 12 weeks13840100026