Erratum

The authors of the article “Validation of Selected Items on the 2003 U.S. Standard Certificate of Live Birth: New York City and Vermont,” which appeared in the January/February 2015 issue of Public Health Reports, 1 discovered an error in data after the article was published. The Pregnancy Risk Assessment Monitoring System (PRAMS) New York City 2009 original birth certificate data for prepregnancy hypertension and gestational hypertension contained certain errors. These PRAMS data were corrected using the official annual birth certificate file. In the complete 2,205-observation PRAMS dataset, for both variables, this correction resulted in 14 observations changing from a value of “No” to “Unknown.” The number of “Yes” observations did not change, but the denominator became slightly smaller with removal of the “Unknown” observations. As a result, birth certificate sensitivity estimates increased by 0.1 for any hypertension and gestational hypertension, but there were no changes to the prevalence, specificity, and positive predictive value estimates for these two variables. In Table 2, “