From: A 20-year prospective study of mortality and causes of death among hospitalized opioid addicts in Oslo
Group
n
%
1 self-poisoning
71
38.4
> 1 self-poisoning
22
11.9
self-poisoning and voluntary detoxification
17
9.2
1 voluntary detoxification
58
31.4
> 1 voluntary detoxification
Total
185
100.1