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Maternal super-obesity and perinatal outcomes in Australia: a national population-based cohort study

Overview of attention for article published in BMC Pregnancy and Childbirth, December 2015
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Title
Maternal super-obesity and perinatal outcomes in Australia: a national population-based cohort study
Published in
BMC Pregnancy and Childbirth, December 2015
DOI 10.1186/s12884-015-0693-y
Pubmed ID
Authors

Elizabeth A. Sullivan, Jan E. Dickinson, Geraldine A Vaughan, Michael J. Peek, David Ellwood, Caroline SE Homer, Marian Knight, Claire McLintock, Alex Wang, Wendy Pollock, Lisa Jackson Pulver, Zhuoyang Li, Nasrin Javid, Elizabeth Denney-Wilson, Leonie Callaway, on behalf of the Australasian Maternity Outcomes Surveillance System (AMOSS)

Abstract

Super-obesity is associated with significantly elevated rates of obstetric complications, adverse perinatal outcomes and interventions. The purpose of this study was to determine the prevalence, risk factors, management and perinatal outcomes of super-obese women giving birth in Australia. A national population-based cohort study. Super-obese pregnant women (body mass index (BMI) >50 kg/m(2) or weight >140 kg) who gave birth between January 1 and October 31, 2010 and a comparison cohort were identified using the Australasian Maternity Outcomes Surveillance System (AMOSS). Outcomes included maternal and perinatal morbidity and mortality. Prevalence estimates calculated with 95 % confidence intervals (CIs). Adjusted odds ratios (ORs) were calculated using multivariable logistic regression. 370 super-obese women with a median BMI of 52.8 kg/m(2) (range 40.9-79.9 kg/m(2)) and prevalence of 2.1 per 1 000 women giving birth (95 % CI: 1.96-2.40). Super-obese women were significantly more likely to be public patients (96.2 %), smoke (23.8 %) and be socio-economically disadvantaged (36.2 %). Compared with other women, super-obese women had a significantly higher risk for obstetric (adjusted odds ratio (AOR) 2.42, 95 % CI: 1.77-3.29) and medical (AOR: 2.89, 95 % CI: 2.64-4.11) complications during pregnancy, birth by caesarean section (51.6 %) and admission to special care (HDU/ICU) (6.2 %). The 372 babies born to 365 super-obese women with outcomes known had significantly higher rates of birthweight ≥4500 g (AOR 19.94, 95 % CI: 6.81-58.36), hospital transfer (AOR 3.81, 95 % CI: 1.93-7.55) and admission to Neonatal Intensive Care Unit (NICU) (AOR 1.83, 95 % CI: 1.27-2.65) compared to babies of the comparison group, but not prematurity (10.5 % versus 9.2 %) or perinatal mortality (11.0 (95 % CI: 4.3-28.0) versus 6.6 (95 % CI: 2.6- 16.8) per 1 000 singleton births). Super-obesity in pregnancy in Australia is associated with increased rates of pregnancy and birth complications, and with social disadvantage. There is an urgent need to further address risk factors leading to super-obesity among pregnant women and for maternity services to better address pre-pregnancy and pregnancy care to reduce associated inequalities in perinatal outcomes.

X Demographics

X Demographics

The data shown below were collected from the profile of 1 X user who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 137 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Poland 1 <1%
Norway 1 <1%
Unknown 135 99%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 22 16%
Student > Master 18 13%
Researcher 13 9%
Other 10 7%
Student > Ph. D. Student 8 6%
Other 19 14%
Unknown 47 34%
Readers by discipline Count As %
Medicine and Dentistry 47 34%
Nursing and Health Professions 16 12%
Agricultural and Biological Sciences 3 2%
Social Sciences 3 2%
Arts and Humanities 2 1%
Other 9 7%
Unknown 57 42%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 04 December 2015.
All research outputs
#20,321,269
of 25,839,971 outputs
Outputs from BMC Pregnancy and Childbirth
#3,834
of 4,887 outputs
Outputs of similar age
#278,061
of 397,824 outputs
Outputs of similar age from BMC Pregnancy and Childbirth
#59
of 70 outputs
Altmetric has tracked 25,839,971 research outputs across all sources so far. This one is in the 18th percentile – i.e., 18% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,887 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 9.2. This one is in the 17th percentile – i.e., 17% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 397,824 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 26th percentile – i.e., 26% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 70 others from the same source and published within six weeks on either side of this one. This one is in the 14th percentile – i.e., 14% of its contemporaries scored the same or lower than it.