Janelle M Painter1, Carol A Malte2,3, Anna D Rubinsky2,3,4, Timothy R Campellone1,5, Amanda K Gilmore6, John S Baer2,3,7, Eric J Hawkins2,3,8. 1. a VA Puget Sound Health Care System , Seattle Division , Seattle , WA , USA. 2. b Health Services Research & Development (HSR&D) Seattle Center of Innovation for Veteran Centered and Value-Driven Care , VA Puget Sound Health Care System , Seattle , WA , USA. 3. c Center of Excellence for Substance Abuse Treatment and Education (CESATE) , VA Puget Sound Health Care System , Seattle , WA , USA. 4. d Kidney Health Research Collaborative (KHRC), Department of Medicine , University of California, San Francisco, and VA San Francisco Health Care System , San Francisco , CA , USA. 5. e Department of Psychology , University of California , Berkeley, Berkeley , CA , USA. 6. f Department of Psychiatry & Behavioral Science, Medical University of South Carolina, National Crime Victims Research and Treatment Center , Charleston , SC , USA. 7. g Department of Psychology , University of Washington , Seattle , WA , USA. 8. h Department of Psychiatry & Behavioral Sciences , University of Washington , Seattle , WA , USA.
Abstract
BACKGROUND: Substance-use disorders (SUDs) are common and costly conditions. Understanding high inpatient utilization (HIU) among patients with SUD can inform the development of treatment approaches designed to reduce healthcare expenditures and improve service quality. OBJECTIVES: To examine the prevalence, type, and predictors of HIU among patients with SUD and co-occurring mental health conditions. METHODS: Service utilization and demographic and clinical variables were extracted from a national sample of Veterans Health Administration (VA) patients with SUD-only [n = 148,960 (98.3% male)], SUD plus serious mental illness ([i.e. schizophrenia- and/or bipolar-spectrum disorders; SUD/SMI; n = 75,913 (91.6% male)], and SUD plus other mental illness [SUD/MI; n = 245,675 (94.6% male)]. Regression models were used to examine HIU during a follow-up year. RESULTS: Prevalence of HIU among the SUD-only group was 6.2% (95% confidence interval (CI): 6.1%-6.3%) compared with 22.7% (95% CI: 22.4%-23.0%) and 9.7% (95% CI: 9.6%-9.8%) among the SUD/SMI and SUD/MI groups, respectively. Patients with SUD/MI represented nearly half of the HIU sample. Primary type of inpatient service use varied by comorbidity: SUD-only = medicine; SUD/SMI = psychiatric; SUD/MI similar use of psychiatric, SUD-related, and medicine. Predictors of HIU were generally similar across groups: older age, unmarried, homelessness, suicide risk, pain diagnosis, alcohol/opioid/sedative-use disorders, and prior-year emergency department/inpatient utilization. CONCLUSIONS: Substantial reductions in HIU among an SUD population will likely require treatment approaches that target patients with less-severe mental health conditions in addition to SMI. Cross-service collaborations (e.g., integration of medical providers in SUD care) and interventions designed to target issues and/or conditions that lead to HIU (e.g., homeless care services) may be critical to reducing HIU in this population.
BACKGROUND: Substance-use disorders (SUDs) are common and costly conditions. Understanding high inpatient utilization (HIU) among patients with SUD can inform the development of treatment approaches designed to reduce healthcare expenditures and improve service quality. OBJECTIVES: To examine the prevalence, type, and predictors of HIU among patients with SUD and co-occurring mental health conditions. METHODS: Service utilization and demographic and clinical variables were extracted from a national sample of Veterans Health Administration (VA) patients with SUD-only [n = 148,960 (98.3% male)], SUD plus serious mental illness ([i.e. schizophrenia- and/or bipolar-spectrum disorders; SUD/SMI; n = 75,913 (91.6% male)], and SUD plus other mental illness [SUD/MI; n = 245,675 (94.6% male)]. Regression models were used to examine HIU during a follow-up year. RESULTS: Prevalence of HIU among the SUD-only group was 6.2% (95% confidence interval (CI): 6.1%-6.3%) compared with 22.7% (95% CI: 22.4%-23.0%) and 9.7% (95% CI: 9.6%-9.8%) among the SUD/SMI and SUD/MI groups, respectively. Patients with SUD/MI represented nearly half of the HIU sample. Primary type of inpatient service use varied by comorbidity: SUD-only = medicine; SUD/SMI = psychiatric; SUD/MI similar use of psychiatric, SUD-related, and medicine. Predictors of HIU were generally similar across groups: older age, unmarried, homelessness, suicide risk, pain diagnosis, alcohol/opioid/sedative-use disorders, and prior-year emergency department/inpatient utilization. CONCLUSIONS: Substantial reductions in HIU among an SUD population will likely require treatment approaches that target patients with less-severe mental health conditions in addition to SMI. Cross-service collaborations (e.g., integration of medical providers in SUD care) and interventions designed to target issues and/or conditions that lead to HIU (e.g., homeless care services) may be critical to reducing HIU in this population.
Entities:
Keywords:
Veterans; high inpatient utilization; mental illness; substance-use disorders
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