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Effect of Hospital Choice on the Risk of Caesarean Delivery.

Nguyen, Dong Bach; Pare-Miron, Valerie; Czuzoj-Shulman, Nicholas; Abenhaim, Haim A.
J Obstet Gynaecol Can; 41(9): 1302-1310, 2019 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-30879777

OBJECTIVE:

This study aimed to evaluate the variation in Caesarean delivery rate (CDR) among hospitals across the United States, its effect on maternal and neonatal outcomes, and whether differences in pregnancy and hospital characteristics can explain the higher CDRs seen in certain hospitals.

METHODS:

This retrospective population-based cohort study was conducted using the 2014 Healthcare and Utilization Project Nationwide Inpatient Sample. The investigators identified all hospitals with birth admissions and compared hospitals with high CDRs with hospitals with low/mid CDRs, in terms of hospital characteristics, maternal characteristics, and maternal and neonatal outcomes. Regression analyses within multiple hospital and patient characteristic strata were used to evaluate the adjusted independent effect of the hospital on the risk of Caesarean delivery (Canadian Task Force Classification II-2).

RESULTS:

In this study population, 96% of U.S. hospitals had a CDR above 20%, and 5% had a CDR >40%. High-CDR hospitals (>40%) were more often privately owned, non-teaching hospitals with an older patient population. When adjusting for baseline obstetrical and hospital characteristics, high-CDR hospitals remained independently associated with an elevated risk of Caesarean delivery. These findings persisted in stratified analyses of each hospital and patient-level characteristic. Obstetrical and neonatal outcomes were comparable in all hospitals irrespective of CDR.

CONCLUSION:

Hospital characteristics and case mix do not account for the significant variation in CDRs across U.S. hospitals. Individual hospitals are in themselves independent risk factors for Caesarean delivery. Choosing to give birth in a certain hospital may put women at an increased risk of having a Caesarean delivery, without maternal or neonatal benefit.
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