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The expansion of geographic units, from 296 in GBD 2013 to 519 for GBD 2015, is envisaged to continue so as to sustain comparability over time and across all geographies.
#Dx ball 2015 series
The GBD 2015 study entails a complete reanalysis of levels and trends from 1990 to 2015 the time series published here therefore supersedes the results of the GBD 2013 study. This study further investigates the main determinants of epidemiological patterns and trends across geographies and over time by comparing the observed maternal mortality, including eight underlying aetiologies of maternal mortality, with patterns expected on the basis of SDI.
#Dx ball 2015 full
This study provides the most comprehensive assessment to date of patterns and levels of maternal mortality worldwide, expanding on previous analyses by including the full reproductive age range of 10–54 years, more comprehensively evaluating the interplay between maternal mortality, HIV/AIDS, and all-cause mortality, and reporting on how the coverage of reproductive health services relates to risk of maternal mortality.
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Important differences remain, however, that at times paint divergent pictures of levels and trends in maternal mortality globally and in many countries. In their latest iteration, the WHO methods have also now adopted a single model for all countries and computed statistical uncertainty intervals. In dual recognition of both the importance and difficulty of accurately reporting on maternal mortality in many settings, each has incorporated increasingly large and geographically precise datasets and used more advanced statistical models. Several previous analyses, including several completed as part of the Global Burden of Diseases, Injuries, and Risk Factors (GBD) Collaboration, have sought to provide the best possible information about levels and trends in maternal mortality. The value of subnational assessments to local decision makers has led to expansion of subnational analyses in GBD 2015 to also include Brazil, India, Japan, Kenya, Saudi Arabia, South Africa, Sweden, and the USA. Collaborative teams completed subnational assessments for the UK, Mexico, and China for GBD 2013, expanding the number of geographies in the GBD analysis to 296. Published in 2012, GBD 2010 presented results for 187 countries with a population greater than 50 000 in the year 2000.