Mortality in Patients with Substance Abuse: A Follow-up in Stockholm County, 1973-1984

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Abstract
A group of patients (N = 1630) hospitalized in Stockholm County with a diagnosis of substance abuse during 1971-1972 were followed through 1984 as regards mortality: 446 (296 males and 150 females) patients died. The excess mortality in the cohort was 5.3 (males 5.8, females 4.6) compared to the general population in Stockholm County. The highest mortality was found in opiate users, with an excess mortality of 18.3. Fifty-one percent of the causes of death belonged to ICD-8 chapter 17, injury and poisoning, and of these, 69% (155 patients) were definite or probable suicides. Since HIV entered the Stockholm drug addict population by the end of this follow-up, the excess mortality reported here can be even higher in the years to come. To follow and monitor the mortality among patients with substance abuse is an important aspect in the evaluation of programs for prevention and treatment.