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Rates and Success Rates of Trial of Labor After Cesarean Delivery in the United States, 1990–2009

Overview of attention for article published in Maternal and Child Health Journal, September 2012
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Title
Rates and Success Rates of Trial of Labor After Cesarean Delivery in the United States, 1990–2009
Published in
Maternal and Child Health Journal, September 2012
DOI 10.1007/s10995-012-1132-6
Pubmed ID
Authors

Sayeedha F. G. Uddin, Alan E. Simon

Abstract

This study compares rates of trial of labor after Cesarean delivery (TOLAC) and rates of successful TOLAC between 1990 and 2009. Serial cross-sectional analyses were performed using the National Hospital Discharge Survey data to compare rates of TOLAC and TOLAC success between 1990 and 2009. Joinpoint regression was used to assess trends over time, and logistic regression with marginal effects was used to examine the unadjusted and adjusted significance and magnitude of trends. The rate of TOLAC reached a high of 51.8 % (95 % CI 47.8-55.8 %) in 1995 and a low of 15.9 % (95 % CI 13.8-18.0 %) in 2006, declined, on average, 4.2 (95 % CI -4.8 to -3.9) percentage points per year between 1996 and 2005. Rates increased significantly from 1990 to 1996 and 2005 to 2009. TOLAC success was at its highest rate in 2000, 69.8 % (95 % CI 65.2-74.3 %) and its lowest in 2008, 38.5 % (95 % CI 28.1-48.8 %). The rate of TOLAC success increased significantly between 1990 and 2000, but declined thereafter an average of 3.4 % points per year (95 % CI -4.3 to -2.5). The rate of TOLAC in the US decreased between 1996 and 2005 and the rate of successful TOLAC has declined from 2000 to 2009.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 72 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Canada 1 1%
Unknown 71 99%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 11%
Student > Master 7 10%
Student > Doctoral Student 7 10%
Student > Ph. D. Student 6 8%
Student > Postgraduate 4 6%
Other 17 24%
Unknown 23 32%
Readers by discipline Count As %
Medicine and Dentistry 33 46%
Nursing and Health Professions 4 6%
Agricultural and Biological Sciences 2 3%
Arts and Humanities 2 3%
Unspecified 1 1%
Other 4 6%
Unknown 26 36%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 05 October 2012.
All research outputs
#15,551,440
of 23,906,448 outputs
Outputs from Maternal and Child Health Journal
#1,340
of 2,039 outputs
Outputs of similar age
#105,274
of 172,812 outputs
Outputs of similar age from Maternal and Child Health Journal
#31
of 49 outputs
Altmetric has tracked 23,906,448 research outputs across all sources so far. This one is in the 34th percentile – i.e., 34% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,039 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.2. This one is in the 33rd percentile – i.e., 33% 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 172,812 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 38th percentile – i.e., 38% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 49 others from the same source and published within six weeks on either side of this one. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.