Abstract
To assess the agreement between patients' and caregivers' (CGs) assessment of patients' oral health-related quality of life (OHRQoL) during the acute stage of their hospitalization. A sample of 161 consecutive patients admitted to hospital following stroke and their CGs. Patients and CGs were interviewed independently about the impact of oral health status on the life quality of the patient employing the General Oral Health Assessment Index (GOHAI). Agreement of impact was assessed by comparison (agreement at the group level) and correlation analyses (agreement of individual patient-CG pairs). The response rate was 76% with 121 pairs of patients and CGs participating. At the group level, variations in patient's own and CG GOHAI scores were found (P < 0.001). The CGs underestimated the impact of oral health on life quality, particularly with respect to aspects of psychosocial functioning compared with patients' own perceptions. However, the bias in reports was small (standardized difference = 0.43). The mean absolute difference in overall scores constituted 8% of the possible range of GOHAI scores. At the individual patient-CG pair level, the intraclass correlation coefficient for GOHAI scores was 0.73 (95% CI 0.61-0.82), indicating substantial agreement. At the group and individual level there was adequate agreement between patients' and CGs' assessment of patients' OHRQoL during the acute stage of their hospitalization. The findings have implications in the use of CGs as proxies in assessing oral health when patients' own assessment may be difficult to obtain.
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