evidencegaps
Primary study · included by 2 reviews

A Two-Year Longitudinal Study of the Association between Oral Frailty and Deteriorating Nutritional Status among Community-Dwelling Older Adults

Iwasaki 2021 · Iwasaki Masanori, Motokawa Keiko, Watanabe Yutaka, et al. · International Journal of Environmental Research and Public Health · 2020

Included by

The Impact of Nutritional Status on Oral Health Outcomes and Management in Older Adults: A Systematic Review and Meta-Analysis.
Non-Cochrane · aetiology · 2026 · cited as Iwasaki 2021 · Reference list 45; Tables 2-4

The review does not say which of its outcomes this study informs.

A systematic review and meta-analysis of the prevalence and risk factors of oral frailty among older adults.
Non-Cochrane · prognostic · 2026 · cited as Iwasaki 2020 · Table 1; reference list
Outcome this study informsPooled effectEvidenceCertainty
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 24.9 [17.3, 33.4]10 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 29.2 [15.7, 44.9]5 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 39.4 [31.3, 47.8]6 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 19.2 [10.6, 29.5]4 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 20.6 [12.1, 30.6]8 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 43.3 [34.8, 52.0]8 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 48.7 [35.2, 62.3]5 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 34.7 [26.3, 43.7]13 studiesGRADE not reported
Prevalence of oral frailty
Oral frailty assessed by OFI-6 or OFI-8
OR (meta-regression) 0.80 [0.68, 0.93]15 studiesGRADE not reported
Prevalence of oral frailty
Oral frailty assessed by OFI-6 or OFI-8
OR (meta-regression) 0.84 [0.65, 1.09]15 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 27.9 [17.4, 39.8]9 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 32 [25, 41]15 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 29.1 [19.7, 39.5]7 studiesGRADE not reported
Prevalence of oral frailty
Oral frailty assessed by OFI-6 or OFI-8
OR (meta-regression) 1.11 [0.93, 1.33]15 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 47.6 [37.6, 57.8]7 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 20.6 [14.6, 27.4]7 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 35.5 [21.0, 51.5]8 studiesGRADE not reported
Prevalence of oral frailty
Oral frailty assessed by OFI-6 or OFI-8
OR (meta-regression) 1.07 [0.89, 1.28]15 studiesGRADE not reported
Oral frailty (OFI-6 or OFI-8)
Not applicable (prevalence) vs Not applicable
Prevalence 20.5 [18.7, 22.5]2 studiesGRADE not reported
Prevalence of oral frailty
Oral frailty assessed by OFI-6 or OFI-8
OR (meta-regression) 0.77 [0.68, 0.87]15 studiesGRADE not reported
Prevalence of oral frailty
Oral frailty assessed by OFI-6 or OFI-8
OR (meta-regression) 1.24 [1.08, 1.43]15 studiesGRADE not reported

2 including reviews in total.