Glaziou edited subsection_Estimating_TB_mortality_among__2.tex  over 8 years ago

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As of July 2015, 130 countries had reported mortality data to WHO (including data from sample VR systems and mortality surveys). These 130 countries included 10 of the 22 high TB burden countries (HBCs): Brazil, China, India, Indonesia, the Philippines, the Russian Federation, South Africa, Thailand, Viet Nam and Zimbabwe. However, the VR data on TB deaths from Zimbabwe were not used for this report because large numbers of HIV deaths were miscoded as TB deaths. Improved empirical adjustment procedures have recently been published\cite{21479092}. Estimates for South Africa adjusted for HIV/TB miscoding were obtained from the Institute of Health Metrics and Evaluation at \url{http://vizhub.healthdata.org/cod/}. Results from mortality surveys were used to estimate TB mortality in India and Viet Nam.   Among the countries for which VR data could be used (see Figure \ref{fig:vr}), there were 2361 country-year data points 1990–2014, after 13 outlier data points from systems with very low coverage ($<20\%$) or very high proportion of ill-defined causes ($>50\%$) were excluded for analytical purposes. The median number of data points per country was 21 (IRQ (IQR  15 - 23). Reports of TB mortality were adjusted upwards to account for incomplete coverage (estimated deaths with no cause documented) and ill-defined causes of death (ICD-9 code B46, ICD-10 codes R00–R99).\cite{15798840}