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The purpose of this paper is to describe a framework for evaluating image segmentation algorithms. Image segmentation consists of object recognition and delineation. For evaluating segmentation methods, three factors-precision (reliability), accuracy (validity), and efficiency (viability)-need to be considered for both recognition and delineation. To assess(More)
OBJECTIVE To develop a new foot impact scale to assess foot status in rheumatoid arthritis (RA) using established qualitative methodology and the latest item response techniques (Rasch analysis). METHODS Foot problems in RA were explored by conducting qualitative interviews that were then used to generate items for a new foot impact scale. Further(More)
OBJECTIVE To adapt and crossculturally validate the Foot Impact Scale for Rheumatoid Arthritis (FIS-RA) using Rasch analysis. METHODS The FIS-RA was translated from English to German, Hungarian, and Dutch target languages and administered to 653 rheumatoid arthritis patients. Rasch analysis was undertaken on the impairment/footwear (FIS-RA(IF) ) and(More)
OBJECTIVE To compare forefoot pain, pressure and function before and after normal and sham callus treatment in rheumatoid arthritis (RA). PATIENTS AND METHODS Thirty-eight RA patients were randomly assigned to normal (NCT group) or sham (SCT) scalpel debridement. The sham procedure comprised blunt-edged scalpel paring of the callus which delivered a(More)
OBJECTIVE To investigate the clinical effectiveness of early foot orthosis intervention for painful correctable valgus deformity of the rearfoot in rheumatoid arthritis (RA). METHODS Patients with RA were randomized to receive custom manufactured rigid foot orthoses under podiatry supervision (n = 50) or enter a control group (n = 48). The control group(More)
OBJECTIVE To compare gait and foot function between rheumatoid arthritis (RA) patients with painful pes planovalgus deformity and healthy age- and sex-matched adults. METHODS Gait analysis was undertaken in 23 RA patients (14 female and 9 male, mean age 52.3 years, mean disease duration 6.6 years) and 23 healthy adults (14 female and 9 male, mean age 49.5(More)
OBJECTIVES The aim of this pilot study was to compare clinical examination (CE) and ultrasound (US) with high field MRI (as the reference standard) for the detection of rearfoot and midtarsal joint synovitis and secondly tenosynovitis of the ankle tendons in patients with established rheumatoid arthritis (RA). METHODS Patients with RA (as determined by(More)
PURPOSE Foot deformity is a well-recognised impairment in patients with rheumatoid arthritis (RA) which results in functional disability. Deformity can occur at the rearfoot, midfoot, forefoot or in combination and the impact that site-specific foot deformities has on functional disability is largely unknown. The aim of this study was to describe the(More)
OBJECTIVE To evaluate the efficacy of custom foot orthoses for the management of painful rearfoot valgus in patients with rheumatoid arthritis (RA). METHODS Patients were randomized to receive custom-manufactured rigid carbon graphite foot orthoses (RA-orthosis) or enter a control group (RA-control) receiving no orthotic intervention. Three-dimensional(More)