A Prospective Study of Delirium and Prolonged Hospital Stay: Exploratory Study

doi:10.1001/archpsyc.1988.01800340065009

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Vol. 45 No. 10, October 1988

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A Prospective Study of Delirium and Prolonged Hospital Stay

Exploratory Study

Rogelio I. Thomas, MD, MPP; Daniel J. Cameron, MD, MPH; Marianne C. Fahs, PhD, MPH

Arch Gen Psychiatry. 1988;45(10):937-940.

Abstract

• Using explicit criteria, delirium was diagnosed in 15%of a cohort of 133 hospitalized patients. Following each patient'sdischarge or death, the length of stay was compared with thediagnosis related group—predicted length of hospitalization.An analysis of stay variations disclosed that delirious patientsexceeded their predicted stay by an average of 13 days, whilenondelirious patients exceeded theirs by 3.3 days. The mean(±SD) length of hospitalization for patients with deliriumwas significantly longer than for their nondelirious counterparts(21.6 ±23.7 days vs 10.6 ±10.1 days, respectively).Hospitals treating high proportions of patients with deliriumas a comorbidity to a principal somatic diagnosis should institutemeasures for the early detection of and appropriate interventionin patients with this condition. These steps may help reduceprolonged hospitalizations and minimize financial risk underthe current diagnosis related group reimbursement system.

Author Affiliations

From the Department of Community Medicine, Mount Sinai School of Medicine (Drs Thomas and Fahs), and Department of Medicine, Beth Israel Hospital (Dr Cameron), New York.

Footnotes

Accepted for publication Dec 10, 1987.

Reprint requests to SUNY Health Science Center at Brooklyn,450 Clarkson Ave, Box 50, Brooklyn, NY 11203-2098 (Dr Thomas).

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