Primary study · included by 2 reviews

Oral Hypofunction and Risk of Weight Change among Independent Older Adults.

Shiota 2023 · Shiota Chihiro, Kusama Taro, Takeuchi Kenji, et al. · Nutrients · 2023

Included by

Non-Cochrane · prevalence · 2026 · cited as Shiota 2023 · Table 2; Fig. 2-4; reference list

Outcome this study informs	Pooled effect	Evidence	Certainty
Xerostomia (self-reported dry mouth) Not applicable (prevalence) vs Not applicable (prevalence)	Prevalence (%) 20 [18, 22]	32 studies	GRADE not reported
Xerostomia (self-reported dry mouth) Not applicable (prevalence review); xerostomia · Prevalence at time of survey	Prevalence, percent (random effects, Freeman-Tukey double arcsine, DerSimonian-Laird) 21 [19, 23]	34 studies · 1640079 participants	GRADE not reported
Xerostomia (self-reported dry mouth) Not applicable (prevalence) vs Not applicable (prevalence)	Prevalence (%) 21 [19, 23]	33 studies	GRADE not reported
Xerostomia (self-reported dry mouth) Not applicable (prevalence review); xerostomia · Prevalence at time of survey	Prediction interval 11% to 34%	34 studies · 1640079 participants	GRADE not reported
Xerostomia (self-reported dry mouth) Not applicable (prevalence) vs Not applicable (prevalence)	Prevalence (%) 20 [19, 22]	33 studies	GRADE not reported

Non-Cochrane · other · 2026 · cited as Shiota 2023 · Table 1; References

Outcome this study informs	Pooled effect	Evidence	Certainty
Unintentional weight loss (5% or more body weight) Fewer than 20 teeth present (exposure) vs 20 or more teeth present · 3 years follow-up	OR 1.36 [1.30, 1.42]	2 studies · 64144 participants	GRADE not reported
Unintentional weight loss (5% or more body weight) Fewer than 20 teeth present (exposure) vs 20 or more teeth present · 3 years follow-up	OR 1.52 [1.08, 2.14]	2 studies · 64144 participants	Low

2 including reviews in total.