Development of a Remote Version of the Graded Redefined Assessment of Strength, Sensation, and Prehension (GRASSP): Validity and Reliability

Autor: Stephanie Voss, Andrea Adighibe, Emily Sanders, David Aaby, Rachel Kravitt, Gina Clark, Kelly Breen, Alexander Barry, Gail F. Forrest, Steve C. Kirshblum, Monica A. Perez, Sukhvinder Kalsi-Ryan, Masha Kocherginsky, William Zev Rymer, Milap S. Sandhu
Rok vydání: 2023
Předmět:
Zdroj: Neurorehabilitation and Neural Repair. 37:83-93
ISSN: 1552-6844
1545-9683
DOI: 10.1177/15459683231162830
Popis: Background The Graded Redefined Assessment of Strength, Sensation, and Prehension (GRASSP V1.0) was developed in 2010 as a 3-domain assessment for upper extremity function after tetraplegia (domains: Strength, Sensibility, and Prehension). A remote version (rGRASSP) was created in response to the growing needs of the field of Telemedicine. Objective The purpose of this study was to assess the psychometric properties of rGRASSP, establishing concurrent validity and inter-rater reliability. Methods Individuals with tetraplegia (n = 61) completed 2 visits: 1 in-person and 1 remote. The first visit was completed in-person to administer the GRASSP, and the second visit was conducted remotely to administer the rGRASSP. The rGRASSP was scored both by the administrator of the rGRASSP (Examiner 1), and a second assessor (Examiner 2) to establish inter-rater reliability. Agreement between the in-person and remote GRASSP evaluations was assessed using the intraclass correlation coefficient (ICC) and Bland–Altman agreement plots. Results The remote GRASSP demonstrated excellent concurrent validity with the GRASSP (left hand intraclass correlation coefficient (ICC) = .96, right ICC = .96). Concurrent validity for the domains was excellent for strength (left ICC = .96, right ICC = .95), prehension ability (left ICC = .94, right ICC = .95), and prehension performance (left ICC = .92, right ICC = .93), and moderate for sensibility (left ICC = .59, right ICC = .68). Inter-rater reliability for rGRASSP total score was high (ICC = .99), and remained high for all 4 domains. Bland–Altman plots and limits of agreements support these findings. Conclusions The rGRASSP shows strong concurrent validity and inter-rater reliability, providing a psychometrically sound remote assessment for the upper extremity in individuals with tetraplegia.
Databáze: OpenAIRE
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