Primary study · included by 1 review

Xerostomia and hyposalivation among a 65-yr-old population living in Oslo, Norway.

Diep 2021 · Diep My Tien, Jensen Janicke Liaaen, Skudutyte-Rysstad Rasa, et al. · European journal of oral sciences · 2021

Included by

A Systematic Review and Meta-Analysis of the Global Prevalence of Dry Mouth in Older Adults.

Non-Cochrane · prevalence · 2026 · cited as Diep 2021 · Table 2; Fig. 2-4; reference list

Outcome this study informs	Pooled effect	Evidence	Certainty
Salivary gland hypofunction by stimulated whole saliva (SWS, 0.7 mL/min or less) Not applicable (prevalence review); salivary gland hypofunction · Prevalence at time of survey	Prediction interval 0% to 77%	4 studies · 995 participants	GRADE not reported
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
Salivary gland hypofunction by stimulated whole saliva (SWS, 0.7 mL/min or less) Not applicable (prevalence review); salivary gland hypofunction · Prevalence at time of survey	Prevalence, percent (random effects, Freeman-Tukey double arcsine, DerSimonian-Laird) 13 [3, 28]	4 studies · 995 participants	GRADE not reported
Salivary gland hypofunction by unstimulated whole saliva (UWS, 0.1 mL/min or less) Not applicable (prevalence review); salivary gland hypofunction · Prevalence at time of survey	Prediction interval 0% to 71%	3 studies · 1291 participants	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
Salivary gland hypofunction by unstimulated whole saliva (UWS, 0.1 mL/min or less) Not applicable (prevalence review); salivary gland hypofunction · Prevalence at time of survey	Prevalence, percent (random effects, Freeman-Tukey double arcsine, DerSimonian-Laird) 12 [4, 24]	3 studies · 1291 participants	GRADE not reported

1 including review in total.