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Neurological Research
A Journal of Progress in Neurosurgery, Neurology and Neurosciences
Volume 43, 2021 - Issue 2
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Original Research Paper

Vitality index is a predictor of the improvement in the functional independence measure score in subacute stroke patients with cognitive impairment

, , , , , & show all
Pages 97-102 | Received 17 Mar 2020, Accepted 25 Sep 2020, Published online: 14 Oct 2020
 

ABSTRACT

Objectives

To investigate the effect of motivation on improvements in the Functional Independence Measure (FIM) scores in subacute stroke patients with cognitive impairment.

Methods

This retrospective cohort study included 358 consecutive subacute stroke patients with first-ever stroke and Mini-Mental State Examination score ≤23 at admission. We determined motivation and rehabilitation outcome using the vitality index and FIM-motor gain, respectively. Stepwise multiple regression analysis was performed to identify the factors at admission related to FIM-motor gain.

Results

Of 80 participants enrolled in this study (mean age: 74.2 ± 11.3 years). The median (interquartile range) vitality index at admission and FIM-motor gain were 7 (4) and 23 (22) points, respectively. Stepwise multiple regression analysis revealed that age (B, −0.43; 95% confidence interval [CI], −0.65–(−0.21); β, −0.31; P <.001), duration from stroke onset to admission (B, −0.18; 95% CI, −0.33–(−0.04); β, −0.20; P =.014) and Stroke Impairment Assessment Set-motor function (B, 1.27; 95% CI, 0.92–1.61; β, 0.78; P <.001), FIM-motor (B, −0.80; 95% CI, −1.01–(−0.60); β, −0.95; P <.001), and vitality index (B, 3.79; 95% CI, 2.37–5.21; β, 0.50; P <.001) scores at admission were significantly associated with the FIM-motor gain.

Discussion

The vitality index was significantly associated with FIM improvement in subacute stroke patients with cognitive impairment.

Disclosure statement

No potential conflict of interest was reported by the authors.

Ethical consideration

This study was conducted in accordance with the Declaration of Helsinki; this study was reviewed and approved by the Ethics Committee of Tokyo Bay Rehabilitation Hospital (#148).

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