Case definitions refer to ICD-10 cannabis (F.12) and opiate (F.11) disorder diagnoses from outpatient and inpatient treatment records and illegal possession of these drugs as recorded by the police. Results High-risk cannabis use was estimated at 28 500 (8.5 per 1000; 95% confidence interval...
Comorbidity patients also show more poly-substance use and other psychosocial problems. This study analyzed the importance of comorbidity for the long-term course of opiate dependence. Method: 350 opiate-dependent patients were examined at yearly follow-ups over 4 years using the EuropASI ...