JAMA : the journal of the American Medical Association
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JAMA
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Randomized Controlled Trial Multicenter Study Clinical Trial
Implementation of the Ottawa ankle rules in France. A multicenter randomized controlled trial.
To assess the impact of the implementation of the Ottawa ankle rules on radiography requests in French hospitals during a 5-month intervention period and the impact of using posters alone to sustain the effect of the rules during a 5-month postintervention period. ⋯ Implementation of the Ottawa ankle rules significantly reduced radiography requests in French hospitals. Using a minimal postintervention implementation strategy, the effect of this intervention decreased but persisted after it was discontinued.