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Clinical Rehabilitation, Vol. 20, No. 5, 429-437 (2006)
DOI: 10.1191/0269215506cr950oa
© 2006 SAGE Publications

Psychometric properties of the modified Emory Functional Ambulation Profile in stroke patients

Lih-Jiun Liaw

Faculty of Physical Therapy, College of Health Science, Kaohsiung Medical University and Department of Rehabilitation, Kaohsiung Medical University Hospital, Taipei, Taiwan

Ching-Lin Hsieh

School of Occupational Therapy, College of Medicine, National Taiwan University, Taipei, Taiwan

Sing-Kai Lo

Faculty of Health and Behavioural Sciences, Deakin University, Melbourne, Australia

Su Lee

Mao-Hsiung Huang

Department of Rehabilitation, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan

Jau-Hong Lin

Faculty of Physical Therapy, College of Health Science, Kaohsiung Medical University and Department of Rehabilitation, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan

Objective: To examine the test-retest reliability, convergent and predictive validity and responsiveness of the modified Emory Functional Ambulation Profile (mEFAP) in assessing gait function in stroke patients undergoing rehabilitation.

Subjects: Forty subacute stroke inpatients were enrolled in the validity and responsiveness study. Twenty chronic patients participated in the reliability study.

Setting: Rehabilitation department of a medical centre.

Design: In the validity and responsiveness study, patients were tested using the mEFAP, 10-m walking speed test, Barthel Index and Rivermead Mobility Index at admission and at discharge. For the reliability study, the patients completed the mEFAP twice one week apart.

Results: The patients' performances on the mEFAP were moderately to highly correlated with results of the 10-m walking speed test and Rivermead Mobility Index (absolute correlation coefficients ≥0.67), indicating good convergent validity. Patients' performance on the mEFAP at admission was moderately correlated with the Barthel Index and Rivermead Mobility Index scores at discharge (Spearman's rank correlation coefficients=-0.52 and-0.78, respectively), indicating good predictive validity. The standardized response mean of the mEFAP was 1.1 (P<0.0001), suggesting good responsiveness. The intraclass correlation coefficient ICC(3,1) for the mEFAP was 0.997, indicating excellent test-retest reliability.

Conclusions: Our results provide strong evidence that the mEFAP has good reliability, validity and responsiveness for assessing stroke patients undergoing rehabilitation. The mEFAP is a useful scale for measuring walking function and recovery in stroke patients.


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