The association between hospital obstetric volume and perinatal outcomes in California.
retrospective_cohort · Level III
Where this comes from
- Record sourced from PubMed, PMID 23174387.
- Also identified by DOI 10.1016/j.ajog.2012.09.029 and PMC identifier 3516613.
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Abstract
We sought to analyze the association between hospital obstetric volume and perinatal outcomes in California. This was a retrospective cohort study of births occurring in California in 2006. Hospitals were divided into 4 obstetric volume categories. Unadjusted rates of neonatal mortality and birth asphyxia were calculated for each category, overall and among term deliveries with birthweight >2500 g. Multivariable logistic regression was used to control for confounders. Deliveries in rural hospitals were analyzed separately using different volume categories. Prevalence of asphyxia increased with decreasing hospital volume overall and among term, non-low-birthweight infants, from 9/10,000 live births at highest-volume hospitals to 18/10,000 live births at the lowest-volume hospitals (P < .001). Similar trends were observed in rural hospitals, with rates increasing from 7-34/10,000 live births in low-volume rural hospitals (P < .001). These findings provide evidence for an inverse association between hospital obstetric volume and birth asphyxia.
Medical subject headings
- Asphyxia Neonatorum
- Infant Mortality
- Obstetrics and Gynecology Department, Hospital
- Term Birth