Predictive model of functional independence in stroke patients admitted to a rehabilitation programme
- 1 December 1999
- journal article
- research article
- Published by SAGE Publications in Clinical Rehabilitation
- Vol. 13 (6), 464-475
- https://doi.org/10.1191/026921599672994947
Abstract
Objective: To develop a prognostic model to estimate the probability of patients being independent in ambulation and in activities of daily living (ADL) after six months of stroke. Design: Cohort analytical study. Setting: Rehabilitation departments of two district general hospitals. Subjects: Ninety-two consecutive stroke patients admitted to a rehabilitation programme. Main outcome measures: Independent ambulation was defined as a Functional Ambulation Classification (FAC) ≥4, and the independence in ADL as a Barthel Index (BI) ≥85. All patients were assessed on admission to rehabilitation, and in the first, second, third, fourth and six months after stroke. Results: Prognostic factors were identified by means of a multivariate survival analysis using Cox regression. Three variables were predictors for a FAC ≥4: (1) The patients in the motor (M), motor-sensitive (MS) and motor-sensitive with hemianopsia (MSH) groups (relative risk (RR) 5.43 of M with respect to MSH, and 2.41 of MS to MSH). (2) A Motricity Index >25 (RR 3.19). (3) An age 20 (RR 3.45); the highest contribution in the achievement of an initial BI >20 was bowel and bladder continence. (3) The antecedent of previous independence (RR 2.68). The predictive models, constructed by means of multiple logistic regression correctly classified 77% and 79% of the patients who obtained FAC ≥4 and a BI ≥85 respectively. Conclusions: The syndromic classification M, MS and MSH, together with other routinely available data, such as the Motricity Index, BI, the age and the previous functionality, can be used to obtain a patient prognosis level with regard to ambulation and ADL independence.Keywords
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