Validity and Accuracy of the Tilburg Frailty Indicator Part B for Identification of Frailty in Older Adults Consulting a Rural Geriatric Medicine Clinic

The Tilburg Frailty Indicator (TFI) is a validated tool for determining frailty in older adults. This study examined the validity and accuracy of the TFI Part B (TFI-B) in a North American context. Seventy-two individuals ≥ 65 years of age recruited from a rural geriatric medicine clinic completed a...

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Published inCanadian journal on aging Vol. 42; no. 3; pp. 466 - 474
Main Authors Mehta, Saurabh P., Indramohan, Pavithramohan, Dobariya, Varun, Seccurro, Drake, Goebel, Lynne J.
Format Journal Article
LanguageEnglish
Published New York, USA Cambridge University Press 01.09.2023
Subjects
Accuracy
Exercise
Frail
Frailty
Gait
Genotype & phenotype
Geriatrics
Medical diagnosis
Medicine
Older people
Quality of life
Rural communities
Rural health care
Self report
Validity
United States > US
frailty
indicateur de fragilité de Tilburg
diagnostic accuracy
Tilburg Frailty Indicator
Fried’s framework
exactitude du diagnostic
aging
validity
validité
échelle de Fried
fragilité
vieillissement
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Summary:The Tilburg Frailty Indicator (TFI) is a validated tool for determining frailty in older adults. This study examined the validity and accuracy of the TFI Part B (TFI-B) in a North American context. Seventy-two individuals ≥ 65 years of age recruited from a rural geriatric medicine clinic completed a set of self-reported and performance-based measures, including TFI-B. Frailty level was determined using modified Fried’s Frailty Phenotype (FFP). Pearson correlation coefficients (r) assessed the concurrent relationships between the TFI-B and other measures. Accuracy of the TFI-B in classifying frailty level was assessed using assessing area under the curve (AUC). The TFI-B scores showed low correlations (r < 0.4) with gait speed and grip, suggesting that the TFI-B did not consider frailty as merely a physical problem. The AUC of 0.82 indicated that the TFI-B scores accurately classified frail versus non-frail individuals. The score of ≥ 5 on the TFI-B scores showed satisfactory sensitivity/specificity (73%/77%) and excellent negative predictive value (91.95%). This indicates that a TFI-B score of < 5 can be used to rule out frailty.
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ISSN:0714-9808
1710-1107
DOI:10.1017/S0714980823000077