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Title

Impact of repeated measures of joint space width on the sample size calculation: An application to hip osteoarthritis

Authors
Ornetti, Paul
Gossec, Laure
Laroche, Davy
Dougados, Maxime
Maillefert, Jean-Francis
Published in Joint, Bone, Spine. 2015, vol. 82, no. 3, p. 172-6
Abstract The aims of the study were to investigate the impact of aggregation of repeated readings (a) on minimising variability of joint space width (JSW) measurements based on calculation of the smallest detectable difference (SDD) and (b) on sample size calculation in a hip OA randomized controlled trial (RCT).
Keywords AgedBody Weights and MeasuresDisease ProgressionFemaleHip Joint/radiographyHumansMaleMiddle AgedObserver VariationOsteoarthritisHip/radiographyPilot ProjectsRandomized Controlled Trials as TopicReproducibility of ResultsResearch DesignSample Size
Identifiers
PMID: 25575611
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Research group Epidémiologie clinique (115)
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ORNETTI, Paul et al. Impact of repeated measures of joint space width on the sample size calculation: An application to hip osteoarthritis. In: Joint, Bone, Spine, 2015, vol. 82, n° 3, p. 172-6. https://archive-ouverte.unige.ch/unige:90511

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Deposited on : 2016-12-16

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