Figure 7: Percentage of deaths registered in a different year to the death occurrence for all drug poisoning deaths, for England and Wales, deaths registered in 1993–2013
England and Wales
Source: Office for National Statistics
Cause of death was defined using the International Classification of Diseases, Ninth Revision (ICD 9) for the years 1993 to 2000 and Tenth Revision (ICD-10) from 2001 onwards. The underlying cause of death codes used to select 'all drug poisonings' and 'drug misuse' deaths are shown in Background note 4. Drug misuse as defined by the current headline indicator shown in Background note 5. Deaths from drug misuse are included in the figures for all drug poisoning.
Figures for England and Wales include deaths of non-residents.