Validity and reliability of the barthel index administered by telephone

Gian Luca Della Pietra, Katia Savio, Elodie Oddone, Monica Reggiani, Francesco Monaco, Maurizio A. Leone

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Pages (from-to)2077-2079
Number of pages3
Issue number7
Publication statusPublished - Jul 2011


  • Barthel Index
  • interview
  • reliability
  • stroke
  • telephone
  • validity

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Clinical Neurology
  • Advanced and Specialised Nursing


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