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McClellanville Library
Closed for renovations
Phone: (843) 887-3699
Miss Jane's Building (Edisto Library Temporary Location)
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Phone: (843) 869-2355
Main Library
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National Trends in Preterm Infant Mortality in the United States by Race and Socioeconomic Status, 1995-2020.
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- Author(s): Venkatesan T;Venkatesan T; Rees P; Rees P; Gardiner J; Gardiner J; Gardiner J; Battersby C; Battersby C; Purkayastha M; Purkayastha M; Gale C; Gale C; Sutcliffe AG; Sutcliffe AG
- Source:
JAMA pediatrics [JAMA Pediatr] 2023 Oct 01; Vol. 177 (10), pp. 1085-1095.- Publication Type:
Journal Article; Research Support, Non-U.S. Gov't- Language:
English - Source:
- Additional Information
- Source: Publisher: American Medical Association Country of Publication: United States NLM ID: 101589544 Publication Model: Print Cited Medium: Internet ISSN: 2168-6211 (Electronic) Linking ISSN: 21686203 NLM ISO Abbreviation: JAMA Pediatr Subsets: MEDLINE
- Publication Information: Original Publication: Chicago, IL : American Medical Association, [2013]-
- Subject Terms:
- Abstract: Importance: Inequalities in preterm infant mortality exist between population subgroups within the United States.
Objective: To characterize trends in preterm infant mortality by maternal race and socioeconomic status to assess how inequalities in preterm mortality rates have changed over time.
Design, Setting, and Participants: This was a retrospective longitudinal descriptive study using the US National Center for Health Statistics birth infant/death data set for 12 256 303 preterm infant births over 26 years, between 1995 and 2020. Data were analyzed from December 2022 to March 2023.
Exposures: Maternal characteristics including race, smoking status, educational attainment, antenatal care, and insurance status were used as reported on an infant's US birth certificate.
Main Outcomes and Measures: Preterm infant mortality rate was calculated for each year from 1995 to 2020 for all subgroups, with a trend regression coefficient calculated to describe the rate of change in preterm mortality.
Results: The average US preterm infant mortality rate (IMR) decreased from 33.71 (95% CI, 33.71 to 34.04) per 1000 preterm births per year between 1995-1997, to 23.32 (95% CI, 23.05 to 23.58) between 2018-2020. Black non-Hispanic infants were more likely to die following preterm births than White non-Hispanic infants (IMR, 31.09; 95% CI, 30.44 to 31.74, vs 21.81; 95% CI, 21.43 to 22.18, in 2018-2020); however, once born, extremely prematurely Black and Hispanic infants had a narrow survival advantage (IMR rate ratio, 0.87; 95% CI, 0.84 to 0.91, in 2018-2020). The rate of decrease in preterm IMR was higher in Black infants (-0.015) than in White (-0.013) and Hispanic infants (-0.010); however, the relative risk of preterm IMR among Black infants compared with White infants remained the same between 1995-1997 vs 2018-2020 (relative risk, 1.40; 95% CI, 1.38 to 1.44, vs 1.43; 95% CI, 1.39 to 1.46). The rate of decrease in preterm IMR was higher in nonsmokers compared with smokers (-0.015 vs -0.010, respectively), in those with high levels of education compared with those with intermediate or low (-0.016 vs - 0.010 or -0.011, respectively), and in those who had received adequate antenatal care compared with those who did not (-0.014 vs -0.012 for intermediate and -0.013 for inadequate antenatal care). Over time, the relative risk of preterm mortality widened within each of these subgroups.
Conclusions and Relevance: This study found that between 1995 and 2020, US preterm infant mortality improved among all categories of prematurity. Inequalities in preterm infant mortality based on maternal race and ethnicity have remained constant while socioeconomic disparities have widened over time. - Comments: Comment in: JAMA Pediatr. 2023 Oct 1;177(10):1014-1016. (PMID: 37669032)
- Grant Information: MR/N008405/1 United Kingdom MRC_ Medical Research Council; MR/V036866/1 United Kingdom MRC_ Medical Research Council
- Publication Date: Date Created: 20230905 Date Completed: 20240215 Latest Revision: 20240313
- Publication Date: 20240313
- Accession Number: PMC10481321
- Accession Number: 10.1001/jamapediatrics.2023.3487
- Accession Number: 37669025
- Source:
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