Abstract
An evaluation instrument, the Activity Index (AI), has been constructed for measuring the functional capacity of stroke patients from the acute phase of the disease onwards. The Index consists of 16 variables divided into three main parts: mental capacity, motor activity, and ADL function. The maximum score is 92. In a group of 112 stroke patients the Cronbach alpha reliability coefficient for the total AI was 0.94, indicating a high degree of homogeneity of the test. The Spearman rank correlation coefficient between the AI and the Rankin disability scale was -0.94. The results of a bivariate linear regression analysis between the values of the Activity Index on admission (about 48 hours after the stroke) and the scoring on later test occasions, grouped as dead, low score, medium score, high score, respectively, indicated the instrument's high predictive validity. The AI can be used by different categories of trained staff in clinical practice or clinical research.
Keywords
MedicineCronbach's alphaBivariate analysisRank correlationStroke (engine)Physical therapySpearman's rank correlation coefficientPearson product-moment correlation coefficientBarthel indexActivities of daily livingPsychometricsStatisticsClinical psychology
Related Publications
Correlation Coefficients: Appropriate Use and Interpretation
Correlation in the broadest sense is a measure of an association between variables. In correlated data, the change in the magnitude of 1 variable is associated with a change in ...
The Timed “Up & Go”: A Test of Basic Functional Mobility for Frail Elderly Persons
This study evaluated a modified, timed version of the “Get‐Up and Go” Test (Mathias et al, 1986) in 60 patients referred to a Geriatric Day Hospital (mean age 79.5 years). The p...
Uses and abuses of coefficient alpha.
The article addresses some concerns about how coefficient alpha is reported and used. It also shows that alpha is not a measure of homogeneity or unidimensionality. This fact an...
What is coefficient alpha? An examination of theory and applications.
Coefficient alpha (Cronbach, 1951) is certainly one of the most important and pervasive statistics in research involving test construction and use. A review of the Social Scienc...
The prognostic value of peritumoral regulatory T cells and its correlation with intratumoral cyclooxygenase‐2 expression in clear cell renal cell carcinoma
OBJECTIVE To investigate the prognostic value of regulatory T cells (Tregs) and its correlation with cyclooxygenase‐2 (COX‐2) expression in clear cell renal cell carcinoma (RCC)...
Publication Info
- Year
- 1982
- Type
- article
- Volume
- 14
- Issue
- 3
- Pages
- 93-100
- Citations
- 43
- Access
- Closed
External Links
Citation Metrics
43
OpenAlex
Cite This
E Hamrin,
A Wohlin
(1982).
I. Evaluation of the functional capacity of stroke patients through an activity index..
PubMed
, 14
(3)
, 93-100.