Functional abilities and quality of life of Canadian unilateral transtibial amputees as a function of socket design
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AbstractQuality of life and functional ability levels in unilateral transtibial amputees were evaluated with the SAQLUTA questionnaire, and were compared between subjects using plaster cast prosthetic sockets and those using CAD/CAM sockets. The sample of 102 individuals had a mean age of 55 ±15 years. Reliability was confirmed with good internal consistency across six subscales, and construct validity was supported with factor analysis. Prosthesis use, satisfaction with the prosthesis, and quality of life were high. Complex locomotor activities posed the greatest challenges. Subjects in the always CAD (AC) group had significantly greater difficulty with mobility and locomotion than subjects in the always plaster (AP) and plaster to CAD (P/C) groups. The challenges reported by women and older individuals appeared to have influenced the performance of the AC socket group. Subjects in the AP group did not report lower levels of functional abilities and quality of life than the AC group.
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