Predicting factors of elderly patients' discharge to home after rehabilitation in rural Japan: A retrospective cohort study

Introduction: The aging of society continues to progress in Japan. As aging is more pronounced in rural than in urban societies, rehabilitation can contribute to rural elderly patients' discharge to rehabilitation and their discharge to home has not been clarified in rural communities. The purp...

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Bibliographic Details
Published in:Rural and remote health 2021-01, Vol.21 (1), p.1-8
Main Authors: Ohta, Ryuichi, Maeki, Natsumi, Maniwa, Sokichi, Miyakoshi, Koichi
Format: Article
Language:English
Subjects:
Activities of daily living
Aging
Body mass index
Cognitive ability
Cohort analysis
Disease
Hospital care
Hospitals
Older people
Patient discharge instructions
Patients
Recovery (Medical)
Rehabilitation
Rural areas
Speech therapists
Statistical analysis
Urban areas
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Summary:Introduction: The aging of society continues to progress in Japan. As aging is more pronounced in rural than in urban societies, rehabilitation can contribute to rural elderly patients' discharge to rehabilitation and their discharge to home has not been clarified in rural communities. The purpose of this study was to clarify whether an improvement of ADL can enable elderly hospitalized patients to discharge to their homes in a rural community. Methods: This retrospective cohort study included 783 consecutive patients aged over 65 years with frailty and multimorbidity who were admitted with acute diseases and underwent active rehabilitation at a rural community hospital. This study was conducted from April 2016 to March 2020. The following patient data were collected from the electronic medical records: age, sex, body mass index, serum albumin, diagnosis on admission, the Charlson Comorbidity Index, living with family or alone, duration of disease from the onset of symptoms to the start of rehabilitation, duration of rehabilitation, care level based on the Japanese insurance system, cognitive and motor components of the functional independence measure (FIM) as the measurement of the level of ADL at both admission and discharge, change in these components of the FIM, and the place to which patients were discharged (home or facility). Two groups of patients were distinguished based on whether the discharge was to home or a facility. Logistic regression was performed to investigate the relationships between patients' characteristics and the effects of rehabilitation determined as a change in the FIM on one hand and to where patients were discharged on the other. The variables with statistically significant differences in the logistic regression were further analyzed to calculate sensitivity, specificity and likelihood ratio with the area under the curve for predicting discharge to home. Results: Patients' average age was 82.1 years, and 33.5% were male. A high score in the motor component of the FIM after rehabilitation and short duration of rehabilitation were statistically related to discharge to home. The cognitive component of the FIM was not associated with discharge to home. The motor-FIM cutoff after rehabilitation was calculated to be 60, resulting in sensitivity, specificity and positive likelihood ratio to predict discharge to home of 0.86, 0.78, and 4.00, respectively. Conclusion: This study showed that elderly patients' motor aspect of ADL after r
ISSN:1445-6354
1445-6354
DOI:10.22605/RRH6406