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Ann Rehabil Med. 2016 Aug;40(4):675-81. doi: 10.5535/arm.2016.40.4.675. Epub 2016 Aug 24.

Length of Hospital Stay After Stroke: A Korean Nationwide Study.

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Department of Rehabilitation Medicine, Seoul National University College of Medicine, Seoul, Korea.
Department of Neurology, Seoul National University Bundang Hospital, Seongnam, Korea.
Department of Physical Medicine and Rehabilitation, Korea University Anam Hospital, Seoul, Korea.



To investigate the length of hospital stay (LOS) after stroke using the database of the Korean Health Insurance Review & Assessment Service.


We matched the data of patients admitted for ischemic stroke onset within 7 days in the Departments of Neurology of 12 hospitals to the data from the database of the Korean Health Insurance Review & Assessment Service. We recruited 3,839 patients who were hospitalized between January 2011 and December 2011, had a previous modified Rankin Scale of 0, and no acute hospital readmission after discharge. The patients were divided according to the initial National Institute of Health Stroke Scale score (mild, ≤5; moderate, >5 and ≤13; severe, >13); we compared the number of hospitals that admitted patients and LOS after stroke according to severity, age, and sex.


The mean LOS was 115.6±219.0 days (median, 19.4 days) and the mean number of hospitals was 3.3±2.1 (median, 2.0). LOS was longer in patients with severe stroke (mild, 65.1±146.7 days; moderate, 223.1±286.0 days; and severe, 313.2±336.8 days). The number of admitting hospitals was greater for severe stroke (mild, 2.9±1.7; moderate, 4.3±2.6; and severe, 4.5±2.4). LOS was longer in women and shorter in patients less than 65 years of age.


LOS after stroke differed according to the stroke severity, sex, and age. These results will be useful in determining the appropriate LOS after stroke in the Korean medical system.


Database; Length of stay; Patient acuity; Stroke

Conflict of interest statement

No potential conflict of interest relevant to this article was reported.

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