Nilay S Shah1,2, Katharine A Harrington2, Xiaoning Huang2, Natalie A Cameron2,3, Lynn M Yee4, Sadiya S Khan1,2. 1. Division of Cardiology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois. 2. Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois. 3. Division of General Internal Medicine and Geriatrics, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois. 4. Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, Illinois.
Abstract
Importance: De novo hypertensive disorders of pregnancy (HDP) are associated with adverse maternal and offspring outcomes. Heterogeneity among racial and ethnic subgroups may be masked with aggregate reporting of race and ethnicity, such as Asian or Pacific Islander or Hispanic. Objective: To determine patterns in de novo HDP rates among individuals in Asian and Hispanic subgroups with a first live birth in the United States in the period 2011 through 2019. Design, Setting, and Participants: This serial cross-sectional analysis used data from 2011 through 2019 for individuals aged 15 to 44 years with singleton first live births obtained from the US National Center for Health Statistics natality database. Exposures: Stratification by self-report of maternal race and ethnicity: Hispanic/Latina (overall and Hispanic/Latina subgroups [Central/South American, Cuban, Mexican, and Puerto Rican]), non-Hispanic Asian and Pacific Islander (overall and non-Hispanic Asian subgroups [Asian Indian, Chinese, Filipina, Japanese, Korean, and Vietnamese]), non-Hispanic Black, non-Hispanic White. Main Outcomes and Measures: De novo HDP was defined as new-onset hypertension during pregnancy (gestational hypertension or preeclampsia). Age-standardized rates of HDP (per 1000 live births) and respective mean annual percent change in race and ethnicity groups and subgroups were calculated. Results: Among 13 238 918 individuals, the mean (SD) age was 26.3 (5.8) years. Overall, HDP rates increased 7.3% per year (95% CI, 6.5%-8.1%), from 57.2 (95% CI, 56.8-57.6) per 1000 live births in 2011 to 99.7 (95% CI, 99.2-100.2) per 1000 live births in 2019. Rates of HDP significantly increased in all racial and ethnic groups and subgroups over the study period. The highest HDP prevalence among non-Hispanic Asian subgroups in 2019 was in Filipina individuals (92.5 [95% CI, 86.3-98.8] per 1000 live births), and the highest among Hispanic/Latina subgroups in 2019 was in Puerto Rican individuals (98.6 [95% CI, 94.2-102.9] per 1000 live births) with significant heterogeneity observed among subgroups across the study period. Conclusions and Relevance: Rates of HDP among individuals with a singleton first live birth increased in the United States from 2011 to 2019 across all race and ethnicity subgroups, with considerable heterogeneity in HDP rates in non-Hispanic Asian and Hispanic/Latina subgroups.
Importance: De novo hypertensive disorders of pregnancy (HDP) are associated with adverse maternal and offspring outcomes. Heterogeneity among racial and ethnic subgroups may be masked with aggregate reporting of race and ethnicity, such as Asian or Pacific Islander or Hispanic. Objective: To determine patterns in de novo HDP rates among individuals in Asian and Hispanic subgroups with a first live birth in the United States in the period 2011 through 2019. Design, Setting, and Participants: This serial cross-sectional analysis used data from 2011 through 2019 for individuals aged 15 to 44 years with singleton first live births obtained from the US National Center for Health Statistics natality database. Exposures: Stratification by self-report of maternal race and ethnicity: Hispanic/Latina (overall and Hispanic/Latina subgroups [Central/South American, Cuban, Mexican, and Puerto Rican]), non-Hispanic Asian and Pacific Islander (overall and non-Hispanic Asian subgroups [Asian Indian, Chinese, Filipina, Japanese, Korean, and Vietnamese]), non-Hispanic Black, non-Hispanic White. Main Outcomes and Measures: De novo HDP was defined as new-onset hypertension during pregnancy (gestational hypertension or preeclampsia). Age-standardized rates of HDP (per 1000 live births) and respective mean annual percent change in race and ethnicity groups and subgroups were calculated. Results: Among 13 238 918 individuals, the mean (SD) age was 26.3 (5.8) years. Overall, HDP rates increased 7.3% per year (95% CI, 6.5%-8.1%), from 57.2 (95% CI, 56.8-57.6) per 1000 live births in 2011 to 99.7 (95% CI, 99.2-100.2) per 1000 live births in 2019. Rates of HDP significantly increased in all racial and ethnic groups and subgroups over the study period. The highest HDP prevalence among non-Hispanic Asian subgroups in 2019 was in Filipina individuals (92.5 [95% CI, 86.3-98.8] per 1000 live births), and the highest among Hispanic/Latina subgroups in 2019 was in Puerto Rican individuals (98.6 [95% CI, 94.2-102.9] per 1000 live births) with significant heterogeneity observed among subgroups across the study period. Conclusions and Relevance: Rates of HDP among individuals with a singleton first live birth increased in the United States from 2011 to 2019 across all race and ethnicity subgroups, with considerable heterogeneity in HDP rates in non-Hispanic Asian and Hispanic/Latina subgroups.
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