Evidence map›Paper›PMID 41816754›Full record

ArticleTurkish journal of medical sciences2026

Validity of the Turkish version of the Oral Frailty Index-8 and its relationship with frailty, malnutrition, and sarcopenia in older adults.

Süleyman Emre Koçyiğit, Bilal Katipoğlu, Yılmaz Önal, Kübra Bahar Baykan, İlknur Şeker Kaya, Fatma Sena Dost, Özge Dokuzlar, Esra Ateş Bulut, Ali Ekrem Aydin, Derya Kaya and 1 more

Abstract readValidation Study
In one paragraph

Article in Turkish journal of medical sciences, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors.

Süleyman Emre KoçyiğitDivision of Geriatric Medicine, Department of Internal Medicine, Faculty of Medicine, Balıkesir University, Balıkesir, Turkiye.ORCID https://orcid.org/0000-0003-2025-8263
Bilal KatipoğluDivision of Geriatric Medicine, Balıkesir Atatürk City Hospital, Balıkesir, Turkiye.ORCID https://orcid.org/0000-0002-7235-7979
Yılmaz ÖnalDivision of Geriatric Medicine, Department of Internal Medicine, Faculty of Medicine, Balıkesir University, Balıkesir, Turkiye.ORCID https://orcid.org/0000-0001-6124-9203
Kübra Bahar BaykanDivision of Geriatric Medicine, Department of Internal Medicine, Faculty of Medicine, Balıkesir University, Balıkesir, Turkiye.ORCID https://orcid.org/0009-0005-2112-471X
İlknur Şeker KayaDivision of Geriatric Medicine, Department of Internal Medicine, Faculty of Medicine, Balıkesir University, Balıkesir, Turkiye.ORCID https://orcid.org/0009-0008-3689-7629
Fatma Sena DostUnit for Aging Brain and Dementia, Division of Geriatric Medicine, Department of Internal Medicine, Faculty of Medicine, Dokuz Eylül University, İzmir, Turkiye.ORCID https://orcid.org/0000-0002-3748-8156
Özge DokuzlarDivision of Geriatric Medicine, Bursa Yüksek İhtisas Training and Research Hospital, Bursa, Turkiye.ORCID https://orcid.org/0000-0001-7079-9696
Esra Ateş BulutDivision of Geriatric Medicine, Adana City Hospital, University of Health Sciences, Adana, Turkiye.ORCID https://orcid.org/0000-0002-1124-9720
Ali Ekrem AydinDepartment of Geriatric Medicine, Department of Internal Medicine, Faculty of Medicine, On Dokuz Mayıs University, Samsun, Turkiye.ORCID https://orcid.org/0000-0003-0182-2850
Derya KayaUnit for Aging Brain and Dementia, Division of Geriatric Medicine, Department of Internal Medicine, Faculty of Medicine, Dokuz Eylül University, İzmir, Turkiye.ORCID https://orcid.org/0000-0002-5637-1308
Ahmet Turan IşikUnit for Aging Brain and Dementia, Division of Geriatric Medicine, Department of Internal Medicine, Faculty of Medicine, Dokuz Eylül University, İzmir, Turkiye.ORCID https://orcid.org/0000-0001-5867-6503

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background/aim: The Oral Frailty Index-8 (OFI-8) is a reliable screening for oral frailty. In our study, while presenting the Turkish reliability and validity study of the OFI-8, we also aimed to establish a cut-off value for oral frailty in Turkish population. Materials and methods: Patients who presented to the outpatient clinic between January 2024 and January 2025 were evaluated. The test's internal consistency and test-retest reliability were assessed. Divergent validity was evaluated using frailty scores, muscle strength, and nutritional status. A receiver operating characteristic (ROC) curve was generated to determine the optimal cut-off values for identifying frailty, malnutrition, and probable sarcopenia. Oral frailty status was then analyzed in relation to demographic characteristics, comorbidities, and geriatric syndromes. Regression analyses were performed to adjust for confounding factors. Results: In 162 patients, internal consistency was quantified with a Cronbach's α of 0.728, and test-retest reliability was quantified with an intraclass correlation coefficient (ICC) of 0.961. Construct validity was supported by exploratory factor analysis, and divergent validity was confirmed through significant correlations with frailty, muscle strength, and nutritional status. A cut-off score of ≥ 5 on the OFI-8 was identified for predicting physical frailty, malnutrition, and probable sarcopenia: for frailty status, the area under the curve (AUC) was 0.75 [95% confidence interval (CI) 0.67-0.82; p < 0.001], sensitivity 0.85 and specificity 0.56; for probable sarcopenia, AUC was 0.68 (95% CI 0.60-0.77; p < 0.001), sensitivity 0.71 and specificity 0.52; and for nutritional status, AUC was 0.76 (95% CI 0.68-0.84; p < 0.001), sensitivity 0.86 and specificity 0.55. Independent of confounding factors, probable sarcopenia, physical frailty, polypharmacy, malnutrition, and falls remained significantly associated with oral frailty (OFI-8 score ≥5). Conclusion: OFI-8 demonstrates good validity and reliability for detecting oral frailty in Turkish older adults, supporting early diagnosis and intervention to address better related conditions such as frailty, probable sarcopenia, and malnutrition.

Indexed as

FrailtyGeriatric AssessmentMalnutritionSarcopeniaAgedAged, 80 and overFemaleHumansMaleNutritional StatusReproducibility of ResultsROC CurveTurkeyfrailtymalnutritionOral frailtysarcopeniavalidation study

Identifiers

PMID41816754
PMCPMC12974279

What Socratic holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.