Infant Mortality Statistics From the 2013 Period Linked Birth/Infant Death Data Set.
OBJECTIVE
This report presents 2013 period infant mortality statistics from the linked birth/infant death data set (linked file) by maternal and infant characteristics. The linked file differs from the mortality file, which is based entirely on death certificate data.


METHODS
Descriptive tabulations of data are presented and interpreted.


RESULTS
The U.S. infant mortality rate was 5.96 infant deaths per 1,000 live births in 2013, similar to the rate of 5.98 in 2012. The number of infant deaths was 23,446 in 2013, a decline of 208 infant deaths from 2012. From 2012 to 2013, infant mortality rates were stable for most race and Hispanic origin groups; declines were reported for two Hispanic subgroups: Cuban and Puerto Rican. Since 2005, the most recent high, the U.S. infant mortality rate has declined 13% (from 6.86), with declines in both neonatal and postneonatal mortality overall and for most groups. In 2013, infants born at 37–38 weeks of gestation (early term) had mortality rates that were 63% higher than for full-term (39–40 week) infants. For multiple births, the infant mortality rate was 25.84, 5 times the rate of 5.25 for singleton births. In 2013, 36% of infant deaths were due to preterm-related causes of death, and an additional 15% were due to causes grouped into the sudden unexpected infant death category.
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D001724:Birth Weight; D066264:Datasets as Topic; D005260:Female; D006801:Humans; D007223:Infant; D007226:Infant Mortality / Q000208:ethnology / Q000639:trends; D007231:Infant, Newborn; D008297:Male; D017533:Marital Status / Q000706:statistics & numerical data; D008423:Maternal Age; D009099:Multiple Birth Offspring / Q000706:statistics & numerical data; D047928:Premature Birth / Q000401:mortality; D012307:Risk Factors; D017678:Sex Distribution; D014481:United States / Q000453:epidemiology