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Am J Geriatr Psychiatry. 2013 Dec;21(12):1267-76. doi: 10.1016/j.jagp.2013.01.056. Epub 2013 Feb 6.

Comorbidity profile and healthcare utilization in elderly patients with serious mental illnesses.

Author information

1
Indiana University School of Medicine, Indianapolis; Indiana University Center for Aging Research, Indianapolis; Regenstrief Institute Inc., Indianapolis; Indiana University Department of Psychiatry, Indianapolis. Electronic address: hhendri@iupui.edu.

Abstract

OBJECTIVES:

Patients with serious mental illness are living longer. Yet, there remain few studies that focus on healthcare utilization and its relationship with comorbidities in these elderly mentally ill patients.

DESIGN:

Comparative study. Information on demographics, comorbidities, and healthcare utilization was taken from an electronic medical record system.

SETTING:

Wishard Health Services senior care and community mental health clinics.

PARTICIPANTS:

Patients age 65 years and older-255 patients with serious mental illness (schizophrenia, major recurrent depression, and bipolar illness) attending a mental health clinic and a representative sample of 533 nondemented patients without serious mental illness attending primary care clinics.

RESULTS:

Patients having serious mental illness had significantly higher rates of medical emergency department visits (p = 0.0027) and significantly longer lengths of medical hospitalizations (p <0.0001) than did the primary care control group. The frequency of medical comorbidities such as diabetes, coronary artery disease, congestive heart failure, chronic obstructive pulmonary disease, thyroid disease, and cancer was not significantly different between the groups. Hypertension was lower in the mentally ill group (p <0.0001). Reported falls (p <0.0001), diagnoses of substance abuse (p = 0.02), and alcoholism (p = 0.0016) were higher in the seriously mentally ill. The differences in healthcare utilization between the groups remained significant after adjusting for comorbidity levels, lifestyle factors, and attending primary care.

CONCLUSIONS:

Our findings of higher rates of emergency care, longer hospitalizations, and increased frequency of falls, substance abuse, and alcoholism suggest that seriously mentally ill older adults remain a vulnerable population requiring an integrated model of healthcare.

KEYWORDS:

Comorbidity; elderly patients; healthcare utilization; serious mental illness

PMID:
24206938
PMCID:
PMC3572246
DOI:
10.1097/JGP.0b013e31826d6937
[Indexed for MEDLINE]
Free PMC Article
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