Abstract

Accurate estimates of tuberculosis (TB) mortality are required to monitor progress towards the World Health Organization End TB goal of reducing TB deaths by 95% by 2035. We compared TB death data for England and Wales from the national surveillance system (Enhanced Tuberculosis Surveillance System [ETS]) and the vital registration system from the Office for National Statistics (ONS). TB cases notified in ETS were matched to deaths in ONS (dONS) with International Classification of Diseases, Tenth Revision (ICD-10) codes indicating that TB caused/contributed to the death (A15-A19). Deaths captured in one but not both systems were assessed to identify if ONS captured all TB deaths and if there was under-notification of TB in ETS. We stratified deaths into active TB, TB sequelae, incidental deaths and not TB. Between 2005 and 2015, there were fewer deaths in ETS (dETS) than dONS with ICD-10 codes A15-A19 (n = 4207 vs. n = 6560); 57% of dETS were recorded as dONS and 53% of dONS were notified to ETS. A total of 9289 deaths were identified from dETS and dONS: 64% were due to active TB, 23% were TB sequelae, 6% were incidental and 7% were not TB. TB deaths in ETS and ONS differ substantially. Almost one third of TB deaths recorded by ONS are not due to active TB; this can be amended through coding changes.

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