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Inokuchi H. 1, Yasunaga H. 2, Nakahara Y. 3, Horiguchi H. 4, Ogata N. 3, Fujitani J. 5, Matsuda S. 6, Fushimi K. 7, Haga N. 1, 3
1 Department of Rehabilitation Medicine, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan;
2 Department of Health Economics and Epidemiology Research, School of Public Health, The University of Tokyo, Tokyo, Japan;
3 Department of Rehabilitation, The University of Tokyo Hospital, Tokyo, Japan;
4 Department of Clinical Data Management and Research, Clinical Research Center, National Hospital Organization Headquarters, Tokyo, Japan;
5 Department of Rehabilitation, National Center for Global Health and Medicine, Tokyo, Japan;
6 Department of Preventive Medicine and Community Health, University of Occupational and Environmental Health, Fukuoka, Japan;
7 Department of Health Care Informatics, Tokyo Medical and Dental University, Tokyo, Japan
BACKGROUND: Rehabilitation for patients with Guillain-Barre Syndrome (GBS) is recommended as it improves the outcome of neurological deficits. Few studies focused on the effect of rehabilitation on mortality of the patients.
AIM: To investigate the effect of rehabilitation on hospital mortality of patients with GBS using the Japanese Diagnosis Procedure Combination (DPC) nationwide administrative claims database.
DESIGN: A retrospective observational cohort study.
SETTING: Hospitals adopting the Japanese DPC system.
POPULATION: Patients hospitalized with a diagnosis of GBS between July 2007 and October 2011.
METHODS: Data analyzed included sex, age, Barthel index at admission, use of ventilation, immune therapy, and rehabilitation during hospitalization, comorbidity, hospital volume, type of hospital, and in-hospital death. One-to-one propensity score-matching was used to compare hospital mortality rates within 30- and 90-days after admission in rehabilitation and non-rehabilitation groups. The adjusted odds ratios of rehabilitation to hospital mortality were also estimated.
RESULTS: A total of 3835 patients were identified and analyzed. Patients with advancing age, lower Barthel index at admission, comorbidities, ventilation, or immune therapy were more likely to receive rehabilitation during hospitalization. Propensity-matched analysis of 926 pairs showed that the rehabilitation group had lower hospital mortality rates within both 30- and 90-days than the non-rehabilitation group. The adjusted odds ratios of rehabilitation to hospital mortality within 30- and 90-days were 0.14 and 0.23, respectively.
CONCLUSION: After matching patients’ background, rehabilitation was associated with lower hospital mortality of patients with GBS.
CLINICAL REHABILITATION IMPACT: Rehabilitation treatment is essential for patients with GBS to improve their survival.