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

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.

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


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