
Psychosomatics 39:273-280, June 1998
© 1998 The Academy of Psychosomatic Medine
A Prospective Study of the Impact of Psychiatric Comorbidity on Length of Hospital Stays of Elderly Medical-Surgical Inpatients
George Fulop, M.D., M.S.,
James J. Strain, M.D.,
Marianne C. Fahs, Ph.D.,
James Schmeidler, Ph.D., and
Stephen Snyder, M.D.
Received December 6, 1996; revised June 4, 1997; accepted July 8, 1997. From the Departments of Community Medicine, Geriatric Medicine, Psychiatry (Division of Behavioral Medicine), and Biomathematical Sciences, The Mount Sinai School of Medicine, New York. Address reprint requests to Dr. Fulop, Department of Medical Affairs, Merck-Medco Managed Care, LLC, MS R221, 100 Summit Ave., Montvale, NJ 07645.
To determine the difference in length of hospital stay for geriatric medical-surgical inpatients with or without psychiatric comorbidity, the authors prospectively interviewed 467 admissions by using the Structured Clinical Interview for DSM-III-R and the Mini-Mental State Exam. At admission, 208 (44.5%) inpatients had a current psychiatric comorbidity, 51(10.9%) had an anxiety disorder, 88 (18.8%) had a depressive disorder, and 126 (27%) had cognitive impairment. The patients with cognitive impairment had a significantly prolonged hospital stay compared with those without cognitive impairment (14.6 vs. 10.6 days). No difference existed in length of stay for the patients with and without anxiety disorders (11.6 vs. 11.6 days) or depressive disorders (11.0 vs. 11.8 days). In view of the limited resources available for screening elderly medical-surgical inpatients for psychiatric comorbidity, this study suggests the utility of identifying cognitive impairment and targeting it for interventions to reduce the clinical burden and to decrease hospital stays.
Key Words: Length of Stay Comorbidity Hospital Stays Medical-Surgical Elderly Geriatrics Inpatients
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