Dairo Javier Marin, Leiv Sandvik, José Antonio Gil Montoya, Tiril Willumsen
Objective: Examining oral health and oral hygiene as predictors of subsequent one-year survival in the institutionalised elderly.
Design: It was hypothesized that oral health would be related to mortality in an institutionalised geriatric population. A 12-month prospective study of 292 elderly residing in nine geriatric institutions in Granada, Spain, was thus carried out to evaluate the association between oral health and mortality. Independent samples, T-test, chi- square test and Cox regression analysis were used to analyse the data. Sixty-three participants died during the 12-month follow-up.
Results: Mortality was increased in denture users (RR = 2.18, p= 0.007) and in people suffering severe cognitive impairment (RR = 2. 24, p= 0.003). One-year mortality was 50% in participants having both these characteristics.
Conclusions: Oral hygiene was not significantly associated with mortality. Cognitive impairment and wearing dentures increased the risk of death. One-year mortality was 50% in cognitively impaired residents wearing dentures as opposed to 10% in patients without dentures and cognitive impairment
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