Abstract
In this report, gait analysis was performed on 176 patients (mean age 61.1 years) who underwent total hip arthroplasty from March 2003 to June 2004. All patients were tested during free walking along an 5-m walkway in which a ground reaction force plate (gait scan 8000; Nitta, Inc.) was installed. Clinical evaluation was carried out on age, sex, Japanese Orthopaedic Association (JOA) score, OA stage, and limb length discrepancy.Multivariate analysis showed that clinical data associated with single support duration were JOA pain score (p<0.001), JOA gait score (p<0.001), and JOA ROM score (p<0.05). Clinical data associated with double support duration were JOA pain score (p<0.001) and JOA gait score (p<0.001). The results of gait analysis can be used as objective index of hip pain and gait ability.
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