Interrater reliability of the interRAI Acute Care (interRAI AC)

Wellens, Nathalie I.H., Van Lancker, Aurélie, Flamaing, Johan, Gray, Len, Moons, Philip, Verbeke, Geert, Boonen, Steven and Milisen, Koen (2012) Interrater reliability of the interRAI Acute Care (interRAI AC). Archives of Gerontology and Geriatrics, 55 1: 165-172. doi:10.1016/j.archger.2011.07.005

Author Wellens, Nathalie I.H.
Van Lancker, Aurélie
Flamaing, Johan
Gray, Len
Moons, Philip
Verbeke, Geert
Boonen, Steven
Milisen, Koen
Title Interrater reliability of the interRAI Acute Care (interRAI AC)
Journal name Archives of Gerontology and Geriatrics   Check publisher's open access policy
ISSN 0167-4943
Publication date 2012-07
Sub-type Article (original research)
DOI 10.1016/j.archger.2011.07.005
Volume 55
Issue 1
Start page 165
End page 172
Total pages 8
Place of publication Shannon, Co. Clare Ireland
Publisher Elsevier Ireland
Collection year 2013
Language eng
Abstract We examined the interrater reliability of the interRAI AC. An observational study was conducted on 3 geriatric wards. Two trained raters completed independently the interRAI AC between 24 and 48. h after admission. A sample of 100 patients (age 84.5 ± 5.6 years; 45% female) was analyzed. Interrater reliability was tested using observed agreement, kappa coefficients, and intraclass correlation coefficients. The overall kappa median value for nominal items was 0.82 (almost perfect). For items on ordinal level, both the overall weighted kappa median and the intraclass correlation coefficient median were 0.86 (almost perfect). According to conventional cut-offs for interpreting kappa statistics, reliability was almost perfect (K≥ 0.81) for 60% of all items, substantial (0.60 < K≤ 0.80) for 26%, moderate (0.41 < K≤ 0.60) for 10%, and poor (K≤ 0.40) for 4% of the items. The median observed agreement was 0.89. For 83% of the items, the observed agreement was greater than 0.80. This study showed substantial or almost perfect interrater reliability for 86% of the items. In addition to previous evidence, the current results suggest that the estimates of the interrater reliability of the interRAI AC are acceptable and provide preliminary evidence that the current version is appropriate for clinical application.
Keyword Geriatric assessment
Validation studies
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Available online 8 September 2011.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
School of Medicine Publications
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