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https://open.uns.ac.rs/handle/123456789/5151
Nаziv: | Factors that predict walking ability with a prosthesis in lower limb amputees | Аutоri: | Aleksandar Knežević Milena Petković Aleksandra Mikov Milica Jeremić Knežević Čila Demeši Drljan Ksenija Bošković Snežana Todorović-Tomašević Zoran Jeličić |
Ključnе rеči: | amputation;rehabilitation;recovery of function;support vector machines | Dаtum izdаvаnjа: | 1-јан-2016 | Čаsоpis: | Srpski Arhiv za Celokupno Lekarstvo | Sažetak: | © 2016, Serbia Medical Society. All rights reserved. Introduction Identification of predictive factors for walking ability with a prosthesis, after lower limb amputation, is very important in order to define patient’s potentials and realistic rehabilitation goals, however challenging they are. Objective The objective of this study was to investigate whether variables determined at the beginning of rehabilitation process are able to predict walking ability at the end of the treatment using support vector machines (SVMs). Methods This research was designed as a retrospective clinical case series. The outcome was defined as three-leveled ambulation ability. SVMs were used for predicting model forming. Results The study included 263 patients, average age 60.82 ± 9.27 years. In creating SVM models, eleven variables were included: age, gender, cause of amputation, amputation level, period from amputation to prosthetic rehabilitation, Functional Comorbidity Index (FCI), presence of diabetes, presence of a partner, restriction concerning hip or knee extension, residual limb hip extensor strength, and mobility at admission. Six SVM models were created with four, five, six, eight, 10, and 11 variables, respectively. Genetic algorithm was used as an optimization procedure in order to select the best variables for predicting the level of walking ability. The accuracy of these models ranged from 72.5% to 82.5%. Conclusion By using SVM model with four variables (age, FCI, level of amputation, and mobility at admission) we are able to predict the level of ambulation with a prosthesis in lower limb amputees with high accuracy. | URI: | https://open.uns.ac.rs/handle/123456789/5151 | ISSN: | 3708179 | DOI: | 10.2298/SARH1610507K |
Nаlаzi sе u kоlеkciјаmа: | FTN Publikacije/Publications |
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