ArticleO&G open2024
Trends in Severe Maternal Morbidity, Obstetric Comorbidities, and Birth Complications in Illinois.
Article in O&G open, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
2 citing papers in PubMed.
- Patient Navigation and Postpartum Health Care Outcomes: A Randomized Clinical Trial.JAMA health forum · 2026Trial
- What do we actually know about the biomechanics of pregnancy and labour? A systematic scoping review.PloS one · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo analyze trends in severe maternal morbidity (SMM) and route-specific complications of birth in Illinois hospitals from January 2016 to June 2023.
methodsThis retrospective population-based cohort study analyzed birth admission data from 159 hospitals using the Illinois Hospital Association Comparative Health Care and Hospital Data Reporting Services database from January 2016 to June 2023. Primary outcomes were incidence of SMM and route-specific delivery complications. Secondary outcomes included incidence of chronic and pregnancy-related comorbidities. Poisson regression was used to estimate incidence rate ratios for SMM; logistic regression was used to estimate odds ratios for route-specific birth complications; and model SEs were adjusted for clustering of observations within hospitals.
resultsIn this cohort of 988,480 births, the overall SMM rate was 1.6%; the rate of SMM rose from 1.4% in 2016 to 2.0% in 2023. The rate of SMM was 0.9% for people who underwent vaginal births and 3.2% for people who underwent for cesarean births. Vaginal birth complications (7.3% overall) increased 22.4%, and cesarean birth complications (10.9% overall) increased 48.9%. Hypertensive disorders of pregnancy and anemia, both of which increased over the study period, were significant risk factors for SMM and birth complications. Over the study period, there were also increases in International Classification of Diseases, Tenth Revision-coded gestational diabetes (4.2-5.5%), depression (2.5-6.6%), anxiety (3.1-10.4%), and other chronic comorbidities (4.7-7.4%). Non-Hispanic Black patients had more than double the SMM rate (2.6%) compared with non-Hispanic White patients (1.1%).
conclusionFrom 2016 to 2023, the rates of SMM and birth complications in Illinois increased alongside increases in coding for chronic and prepregnancy and pregnancy-related comorbidities. This study demonstrates the burden of cesarean birth-associated adverse outcomes, including a higher rate of SMM, which increased over the study period.
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Registered trials
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