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Validation of a Syndromic Case Definition for Detecting Emergency Department Visits Potentially Related to Marijuana
Content Type: Journal Article
Abstract OBJECTIVES: Reliable methods are needed to monitor the public health impact of changing laws and perceptions about marijuana. Structured and free-text emergency department (ED) visit data offer an opportunity to… read more… Structured and free-text emergency department (ED) visit data offer an opportunity to monitor the impact of … ED visits during the first period, terms in 524 ED visit records matched ≥1 search term in the initial case … ED visits during the second period, terms in 698 ED visit records matched ≥1 search term in the revised case …