Interactive Combinations Between Gait Speed and Physical Function at Acute Phase Can Predict the Physical Activity at 2 Years After Total Knee Arthroplasty Using Classification and Regression Tree Analysis

医学 推车 步态 步态分析 物理疗法 最佳步行速度 等长运动 康复 膝关节 全膝关节置换术 物理医学与康复 外科 机械工程 工程类
作者
Gakuto Kitamura,Manabu Nankaku,Takuma Yuri,Shinichi Kuriyama,Shinichiro Nakamura,Kohei Nishitani,Ryosuke Ikeguchi,Shuichi Matsuda
出处
期刊:Archives of Physical Medicine and Rehabilitation [Elsevier BV]
卷期号:104 (6): 902-908 被引量:1
标识
DOI:10.1016/j.apmr.2022.12.190
摘要

Objective To clarify the interactive combinations of various clinical factors associated with physical activity (PA) at 2 years after total knee arthroplasty (TKA) using classification and regression tree (CART) analysis. Design A retrospective cohort study. Setting A single university hospital. Participants 286 patients who underwent TKA (N=286). Main Outcome Measures PA was assessed preoperatively, 3 weeks, and 2 years after TKA. Physical functions, namely, 10 m walking test (10MWT), timed Up and Go test, 1-leg standing time, isometric knee extension and flexion strength, knee joint stability, knee pain, femora-tibial angle, and the passive knee extension and flexion angle, were measured before surgery as a baseline and 3 weeks after TKA as acute phase. CART analysis was conducted to clarify the interactive combinations that accurately predict the PA at 2 years after TKA. Results The results of CART analysis indicated that gait speed (≥1.05 m/s) at the acute phase after TKA was the primal predictor for the postoperative PA at 2 years. The highest postoperative PA at 2 years was determined by gait speed (≥1.05 m/s) and PA (>74.5) at the acute phase. The PA at baseline and at acute phase, as well as the body mass index were also selected as predictors of postoperative PA at 2 years. Conclusion The present study suggested that acquiring gait speed (≥1.05 m/s) and PA (>74.5) in the postoperative acute phase is the predictive of a high PA at 2 years after TKA.
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