Abstract

El-Solh AA, Saltzman SK, Ramadan FH, Naughton BJ. Validity of an artificial neural network in predicting discharge destination from a postacute geriatric rehabilitation unit. Arch Phys Med Rehabil 2000;81:1388-93. Objective: To develop an artificial neural network (ANN) designed to predict discharge destination from postacute geriatric rehabilitation units. Design: Nonconcurrent prospective study. Setting: Postacute geriatric rehabilitation units: a 20-bed unit in a nonproprietary skilled nursing facility and a 40-bed unit in a suburban private facility. Patients: Consecutive sample of 661 patients admitted between January 1995 and February 1999, including a derivation group of 452 patients and a validation group of 209 patients. Interventions: A feed-forward, back-propagation neural network to predict discharge destination. Main Outcome Measure: Discharge destination from postacute geriatric rehabilitation. Results: An ANN was trained on clinical pattern set derived from 452 patients and validated prospectively on 209 consecutive patients admitted to postacute geriatric rehabilitation units. The neural network achieved a sensitivity of 85.7% (95% confidence interval [CI], 83.7–89.4) and specificity of 94.1% (95% CI, 84.4–99.1) in identifying discharge destination with a corresponding area under the curve of 95.7% (95% CI, 92.1–98.3). Conclusion: An ANN can predict discharge to the community postacute rehabilitation with a high degree of accuracy. It could have particular value to predict return to the community for older adults with multiple comorbidities after an acute hospitalization. © 2000 by the American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation

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