Search Strategies in Ovid Syntax and the PubMed translation

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For each purpose category (therapy, diagnosis, prognosis, reviews, clinical prediction guides, qualitative, causation (etiology), costs, economics), the following data are shown: the single term with the highest sensitivity while keeping specificity at ³ 50%; the single term with the highest specificity while keeping the sensitivity ³ 50%; the single term with the least (minimal) absolute difference between sensitivity and specificity; and then the same data for multiple terms (the single term strategy may be shown again if it performs at least as well as multiple terms). In the second column of the table the search strategies are shown in Ovid syntax followed by the PubMed translation. In the third column of the table: sens = sensitivity; spec = specificity; prec = precision; acc = accuracy. References for the methods and individual categories appear at the end of the document.

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