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Validity and reliability of the 10-m walk test and the 6-min walk test in spinal cord injury patients.

Abstract：

STUDY DESIGN:The 10-m walk test (10MWT) and the 6-min walk test (6MWT) have been recommended for assessment of walking in spinal cord injury (SCI) patients. The study was designed on test-retest analysis of the 10MWT and 6MWT. OBJECTIVES:The objective of this study was to assess validity/reliability of different methods of performing the tests. SETTING:The study was set at an SCI unit of a rehabilitation hospital. PATIENTS AND METHODS:A total of 37 patients; whose median age was 58.5 years (interquartile range 40-66, full range 19-77); median time since onset of SCI was 24 months (interquartile range 16.25-70.5, full range 6-109). Non-traumatic etiology in 20 out of 37 patients; level: 12C, 14T and 11L; American Spinal Injury Association Impairment Scale grade: 35D/2C. Assessment with the 10MWT (with or without dynamic start) and the 6MWT (short or long track) by two blinded raters to evaluate inter/intra-rater reliabilities. RESULTS:The 10MWT was performed in a median of 19 s (25th-75th interquartile range 13-28) with the dynamic start and of 18.4 s (25th-75th interquartile range 12.6-29.9) with the static start (P=0.092). The correlation between the results of the two methods was between 0.98 and 0.99. The inter- and intra-rater reliabilities were between 0.95 and 0.99 for both the methods. The 6MWT showed significant differences according to the track length: patients walked a median of 226.7 m (25th-75th interquartile range 123.2-319) on the longer track and of 187.6 m (25th-75th interquartile range 69.7-240.6) on the short one (P<0.001). The correlation between the results of the two methods was between 0.91 and 0.93. The inter- and intra-rater reliabilities were between 0.98 and 0.99. CONCLUSION:The 10MWT shows high inter/intra-rater reliability and shows comparable results with both dynamic and static start. The different testing conditions of the 6MWT (track/turns) results in significant differences that need standardization for use in future trials.

journal_name

Spinal Cord

journal_title

Spinal cord

authors

Scivoletto G,Tamburella F,Laurenza L,Foti C,Ditunno JF,Molinari M

doi

10.1038/sc.2010.180

subject

Has Abstract

pub_date

2011-06-01 00:00:00

pages

736-40

issue

eissn

1362-4393

issn

1476-5624

pii

sc2010180

journal_volume

pub_type

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Validity and reliability of the 10-m walk test and the 6-min walk test in spinal cord injury patients.