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Randomized Controlled Trial
. 2011 Jul;42(7):2077-9.
doi: 10.1161/STROKEAHA.111.613521. Epub 2011 Apr 28.

Validity and reliability of the Barthel index administered by telephone

Gian Luca Della Pietra  1 , Katia Savio, Elodie Oddone, Monica Reggiani, Francesco Monaco, Maurizio A Leone
Affiliations
Randomized Controlled Trial

Validity and reliability of the Barthel index administered by telephone

Gian Luca Della Pietra et al. Stroke. 2011 Jul.

Abstract

Background and purpose: We aimed to evaluate validity and reliability of the Barthel Index administered telephonically compared with face-to-face assessment in clinically stable patients with stroke.

Methods: One hundred thirty-one patients were interviewed twice by 2 registered nurses with identical training. Half of the patients were randomized to receive the telephone interview followed by the face-to-face interview and half the contrary. The sequence of interviewers was randomized.

Results: The median value of the Barthel Index score was 30 (first to third interquartile range, 15 to 80) by telephone and 35 (15 to 75) by face-to-face (P=0.29). The weighted κ was 0.90 (95% CI, 0.85 to 0.94); κ values ranged from 0.70 (0.58 to 0.82) for bowel control to 0.91 (0.83 to 0.99) for bathing.

Conclusions: Telephone assessment of stroke disability with the Barthel Index is reliable in comparison to direct face-to-face assessment.

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