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Nine-Grid Area Division Method: A New Ideal Bone Puncture Region for Percutaneous Vertebroplasty in Lumbar Spine
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Nine-Grid Area Division Method: A New Ideal Bone Puncture Region for Percutaneous Vertebroplasty in Lumbar Spine

Published on: August 9, 2024

Response to "randomized vertebroplasty trials: bad news or sham news?"

D Kallmes, R Buchbinder, J Jarvik

    AJNR. American Journal of Neuroradiology
    |October 10, 2009
    PubMed
    Abstract

    No abstract available in PubMed .

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    Blinding01:11

    Blinding

    Blinding is a commonly used method of not telling participants which treatment a subject is receiving. Blinding is a critical part of a randomized control trial or RCT. It reduces the bias that affects the results. In an RCT, blinding is used in the form of a placebo. A placebo effect occurs when untreated subjects falsely believe they have received the treatment and report improved symptoms. A placebo or a dummy treatment is administered to subjects to negate the bias caused by such an effect.