Table 1

Categorisation of cause of death

ReferenceCategory of deathExamples
0Sudden natural deathAcute myocardial infarction, ruptured abdominal aortic aneurysm
1End stage of chronic disease (natural)Carcinomatosis, end stage respiratory failure in chronic obstructive pulmonary disease
2Non-COVID-19 infectious disease (natural)Bronchopneumonia, sepsis from urinary tract infection
3COVID-19 (natural)COVID-19 pneumonitis, pulmonary embolism following COVID-19 infection
4Death due to alcohol and/or drug misuse (unnatural)Acute alcohol intoxication, overdose of opiates
5Suicide (unnatural)Hanging, overdose of prescription medication
6Death due to trauma via road traffic collision (unnatural)Multiple injuries from vehicular accident
7Death due to other trauma (unnatural)Falling down stairs, falling from ladder
8Other unnatural causes of deathPerioperative deaths, drowning, industrial disease