Within-Hospital Readmission: An Indicator of Readmission after Discharge from Psychiatric Hospitalization Academic Article uri icon

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abstract

  • OBJECTIVE: Readmission after psychiatric hospitalization is widely used as a quality of care indicator by government funding agencies, policy-makers, and hospitals deciding on clinical priorities. Readmission rates are calculated accurately to allow these varied groups to correctly translate the knowledge into appropriate, tangible outcomes. We aimed to assess how well hospital readmission rates, calculated using only readmissions to the discharging institution, can approximate actual readmission rates. METHOD: We used administrative data sources to identify patients with a mental health discharge in the province of Ontario (2008-2011). We identified mental health readmissions within 30 and 90 days of discharge occurring to the hospital from which the patient was discharged (within-hospital readmissions), and compared readmission rates using only within-hospital admissions with actual readmission rates. RESULTS: The percentage of readmissions occurring to the discharging institution ranged from 39% to 89% (median 73%) and from 37% to 86% (median 70%) for 30- and 90-day readmissions, respectively. Using only within-hospital readmissions to rank hospitals by their readmission rates, only 56% of hospitals for 30-day readmissions and 50% for 90-day readmissions were ranked in the same quartile as when actual readmission rates were used. CONCLUSIONS: These findings highlight the importance of measuring psychiatric readmissions at the system level, particularly for hospitals with lower discharge volumes. As well, the high likelihood that multiple hospitals are involved in the hospital-based care of people who require readmission requires consideration at clinical and policy levels.

publication date

  • August 2013