Convergent Validity of Three Pressure Injury Risk Assessment Seales: Comparing the PPRA-Home to Two Traditional Seales

• Published in: Journal of multidisciplinary healthcare 2021-02, Vol.14, p.207
• Main Authors: Kohta, Masushi, Ohura, Takehiko, Okada, Katsuyuki, Nakamura, Yoshinori, Kumagai, Eiko, Kataoka, Hitomi, Kitagawa, Tomomi, Kameda, Yuki, Kitte, Toshihiro
• Format: Article
• Language: English
• Subjects: Bedsores; Home care; Prevention; Risk assessment
• ISSN: 1178-2390; 1178-2390
• DOI: 10.2147/JMDH.S294734

Purpose: The Pressure Injury Primary Risk Assessment Scale for Home Care (PPRA-Home) was developed to predict pressure injury risk in geriatric individuals requiring long-term care in home settings. This study aimed to compare the convergent validity of the PPRA-Home to that of the two other standardized pressure injury prevention scales: the Braden and Ohura-Hotta (OH) scales. Methods: A multicenter, cross-sectional study was conducted with 34 home-based geriatric support service providers located in five Japanese districts. The study included 69 participants (30 had a pressure injury and 39 did not) who were at classified at care levels of 1 through 5 under Japan's long-term care insurance system. Care managers served as assessors for the PPRA-Home, while physicians or certified expert nurses served as assessors for the Braden and OH scales. Convergent validity was investigated by examining correlation coefficients between total scores on the PPRA-Home and the other two scales. Receiver operating curve analysis was used to quantify each scale's accuracy for the two groups: those with and without a pressure injury. Results: The PPRA-Home was found to be negatively correlated with the Braden scale (r= -0.79, p