Assessment Model to Identify Patients With Stroke With a High Possibility of Discharge to Home
A Retrospective Cohort Study
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Abstract
Background and Purpose—Discharge
planning for inpatients with acute stroke can enhance reasonable use of
healthcare resources, as well as improve clinical outcomes and decrease
financial burden of patients. Especially, prediction for discharge
destination is crucial for discharge planning. This study aimed to
develop an assessment model to identify patients with a high possibility
of discharge to home after an acute stroke.
Methods—We
reviewed the electronic medical records of 3200 patients with acute
stroke who were admitted to a stroke center in Japan between January 1,
2011, and December 31, 2015. The outcome variable was the discharge
destination of postacute stroke patients. The predictive variables were
identified through logistic regression analysis. Data were divided into 2
data sets: the learning data set (n=2240) for developing the instrument
and the test data set (n=960) for evaluating the predictive capability
of the model.
Results—In
all, 1548 (48%) patients were discharged to their homes. Multiple
logistic regression analysis identified 5 predictive variables for
discharge to home: living situation, type of stroke, functional
independence measure motor score on admission, functional independence
measure cognitive score on admission, and paresis. The assessment model
showed a sensitivity of 85.0% and a specificity of 75.3% with an area
under the curve equal to 0.88 (95% confidence interval, 0.86–0.89) when
the cutoff point was 10. On evaluating the predictive capabilities, the
model showed a sensitivity of 88.0% and a specificity of 68.7% with an
area under the curve equal to 0.87 (95% confidence interval, 0.85–0.89).
Conclusions—We
have developed an assessment model for identifying patients with a high
possibility of being discharged to their homes after an acute stroke.
This model would be useful for health professionals to adequately plan
patients’ discharge soon after their admission.
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