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Am J Public Health. 1999 Aug;89(8):1238-40.

Birth defects surveillance: assessing the "gold standard".

Author information

1
Division of Birth Defects and Pediatric Genetics, Centers for Disease Control and Prevention, Atlanta, Ga 30341-7724, USA.

Abstract

OBJECTIVES:

This study assessed the sensitivity of the Metropolitan Atlanta Congenital Defects Program (MACDP) by capitalizing on the delayed receipt of a data source.

METHODS:

In 1997, we reviewed the medical records of potential cases from the 1995 birth certificates that had not previously been identified by the MACDP. Capture-recapture methods produced an estimate of total cases.

RESULTS:

We identified 1149 infants with defects, including 20 exclusively from birth certificates. The estimated sensitivity of the MACDP when data from birth certificates were included was 86.9% (95% confidence interval [CI] = 80.6%, 91.9%) at 1 year after birth, increasing to 94.8% (95% CI = 90.3%, 97.8%) at 2 years after birth.

CONCLUSIONS:

The MACDP underestimates defects by 13% at 1 year after birth and by 5% at 2 years after birth.

PMID:
10432914
PMCID:
PMC1508690
DOI:
10.2105/ajph.89.8.1238
[Indexed for MEDLINE]
Free PMC Article

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