ArticleTurkish journal of physical medicine and rehabilitation2026
Interrater reliability and criterion validity of the hand-held three-dimensional scanning method for evaluating hand volume in patients with stroke.
Article in Turkish journal of physical medicine and rehabilitation, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objectives: This study aims to assess the interrater reliability and criterion validity of a three-dimensional (3D) scanning method in evaluating hand volume in patients with stroke. Patients and methods: This observational study was conducted with 20 stroke patients (11 males, 9 females; mean age: 59.5±13.3 years; range, 28 to 74 years) between February 2023 and June 2023. Two trained therapists (Operators A and B) used a hand-held 3D laser scanner to measure bilateral hand volumes sequentially to assess the consistency of measurements between operators. Operator A also used a split cup to measure bilateral hand volumes to assess the accuracy of measurements between 3D scanning and the gold standard water displacement (WD) method. Results: The intraclass correlation coefficient between the two operators was 0.923 (p<0.001) for the volume of the non-affected hand measured using the 3D scanning method and 0.945 (p<0.001) for the affected hand. The volume of the non-affected hand measured by Operator A using the 3D scanning method highly correlated with the volume measured by the WD (r=0.938, p<0.001), and the volume of affected hand measured by using the 3D scanning method highly correlated with the volume of that measured by the WD (r=0.927, p<0.001). Conclusion: The 3D scanning method has good interrater reliability and criterion validity in the measurement of hand volume of affected and non-affected hands in patients with stroke.
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