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Fig. 1 | BMC Cardiovascular Disorders

Fig. 1

From: Global prevalence of congenital heart disease in school-age children: a meta-analysis and systematic review

Fig. 1

The PRISMA flow chart and schema of Congenital heart diseases (CHDs) prevalence processed in meta-analyses. Two different questions were addressed respectively by two subsets of CHD prevalence data: unrepaired CHDs (CHDs repaired with surgical care or interventions were excluded) regardless of time of diagnosis, and CHD diagnoses in childhood (delayed CHD diagnoses at school age). Repaired CHDs and early diagnoses (both in grey) were not analysed in late diagnoses of this review

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