A preliminary investigation into the psychometric properties of the Dublin Extrapersonal Neglect Assessment (DENA): A novel screening tool for extrapersonal neglect.
Extrapersonal neglect is one clinical manifestation that can occur following stroke. Existing neglect assessment procedures have been criticised for lengthy administration and do not assess how extrapersonal space is affected. This study investigated the psychometric properties of a new, time-efficient screening tool for extrapersonal neglect. Full ethical approval was granted and consent obtained from 50 participants with first-time stroke. Participants were screened for extrapersonal neglect on two consecutive days by two raters using the Dublin Extrapersonal Neglect Assessment (DENA) to test inter-rater reliability. Construct validity of the DENA was investigated by comparing the DENA to the Catherine Bergego Scale (CBS). Additional analyses were calculated between the DENA and the extrapersonal items of the CBS (CBS-E). The kappa statistic, intraclass correlation coefficients (ICCs) and Bland Altman analyses were calculated to determine excellent inter-rater reliability (ICC 0.971, κ = .876) and significant correlation between the DENA and the CBS and CBS-E (ICC 0.870, 0.934, κ = .793, .833, respectively). Bland Altman analyses demonstrated acceptable levels of agreement between the DENA raters, and the DENA and CBS, with no systematic differences evident. The DENA provides clinicians with a quick and psychometrically sound screening tool for extrapersonal neglect to ensure this impairment is addressed in stroke rehabilitation.
Cunningham, LJ; O'Rourke, K; Finlay, C; Gallagher, M
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