Responsiveness of the Foot Profile Score in children with hemiplegia

Responsiveness of the Foot Profile Score in children with hemiplegia

McCahill, Jennifer (University of Oxford; Nuffield Orthopaedic Centre; Amsterdam UMC)
Stebbins, Julie (University of Oxford; Nuffield Orthopaedic Centre)
Prescott, Robin J. (University of Edinburgh)
Harlaar, J. (TU Delft Biomechatronics & Human-Machine Control; Erasmus MC)
Theologis, Tim (University of Oxford; Nuffield Orthopaedic Centre)

2022

Background: The Foot Profile Score (FPS) is a single score that summarises foot posture and dynamic foot motion during the gait cycle based on the kinematic data of the Oxford Foot Model. The FPS enables clinicians and researchers to quantify foot abnormalities during gait, to monitor change in foot/ankle motion over time, and to measure the outcome of intervention. With the creation of a new outcome measure, it is important to test its responsiveness in a clinical population for whom it may be sensitive to change. Aim: To evaluate the responsiveness of the FPS in a clinical population following isolated foot and ankle surgery. Methods: Using previous work completed to validate the FPS, we defined the minimal clinically important difference (MCID) for the FPS. Using this MCID, we applied it to a clinical population of 37 children with cerebral palsy, spastic hemiplegia, comparing their FPS before and after foot and ankle surgery. A regression analysis looked at potential relationships between the change in FPS and their pre-operative FPS, age at surgery, and time since surgery. Results: An MCID of 2.4 degrees was calculated through regression analysis. The mean change from the pre-operative FPS to the post-operative FPS was 4.6 (SD 3.7 with a range from −0.1 to 13.4). Twenty-eight children (76%) had a change in their FPS greater than the MCID. A regression analyses only showed a clear regression between pre-operative FPS and change in FPS (R2 = 0.58 p < 0.01).

Foot Profile Score
Foot surgery
Hemiplegia
Kinematics

http://resolver.tudelft.nl/uuid:3cea87ab-f34e-427a-9cb2-afa440d4f86b

https://doi.org/10.1016/j.gaitpost.2022.04.012

2022-10-29

0966-6362

Gait & Posture, 95, 160-163

Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public.

Institutional Repository

journal article

© 2022 Jennifer McCahill, Julie Stebbins, Robin J. Prescott, J. Harlaar, Tim Theologis