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Positive Drug Screens for Methamphetamine and/or Cocaine Versus Other Substances of Abuse in Patients with Serious Mental Illnesses: Comparison of Polysubstance Abuse, Psychiatric Hospitalizations, Prescribed Psychotropic Medications, and Cost of Services

Class of 2007 Abstract / Objectives: To identify differences between patients diagnosed with a serious mental illness who test positive for cocaine and/or methamphetamine compared to patients who test positive or other abused substances.
Methods: This retrospective study of clinical data obtained through a community mental health agency that provides outpatient services for patients with a serious mental illness. The study population was divided into two subgroups: positive cocaine and/or methamphetamine drug screen versus other positive drug screens and were compared over a 12- month period for the frequency and types of positive drug screens and blood alcohol levels, days of court-ordered treatment, the number of psychiatric hospitalizations and length of stay, primary psychiatric diagnosis, and the cost of care for services provided.
Results: More females were in the “cocaine/methamphetamine” group versus more males in the “other substances of abuse” group, (p < 0.01). A higher proportion of patients diagnosed with psychotic disorders tested positive for “other substances” than for “cocaine and methamphetamine” (p < 0.01) and the “cocaine/methamphetamine” group had significantly more mood and anxiety disorders than the other group (p < 0.05). The frequency of patients testing positive for marijuana, methadone, and other opiates was higher in the “other substance abuse” group (p < 0.001). Patients in the “cocaine/methamphetamine” group had higher rates of polysubstance abuse (p < 0.001). The most commonly abused substance was cocaine (53.8%).
Conclusions: Regular drug screening for substances of abuse and utilization of drug treatment programs should be recommended for SMI patients to improve their care and treatment outcomes.

Identiferoai:union.ndltd.org:arizona.edu/oai:arizona.openrepository.com:10150/624324
Date January 2007
CreatorsBrown, Jessica, Whittington, Lisa M.
ContributorsFankhauser, Martha, Slack, Marion, College of Pharmacy, The University of Arizona
PublisherThe University of Arizona.
Source SetsUniversity of Arizona
Languageen_US
Detected LanguageEnglish
Typetext, Electronic Report
RightsCopyright © is held by the author.

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