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1361. Methods Guide for Medical Test Reviews (pdf file)
      effectivehealthcare-admin.ahrq.gov/sites/default/files/pdf/methods-guidance-tests-metaanalysis_methods.pdf
      July 01, 2012 - • Two families of models27;31 (see text), are equivalent when there are no covariates.19 • Modeling … Preferred Methods for Obtaining a “Summary Point” (Summary Sensitivity and Specificity): Two Families … We can group the commonly used hierarchical models in two families: The so-called “bivariate model”27 … The two families differ in their parameterization at this second level: the bivariate model uses parameters … In the absence of covariates, the two families of hierarchical models are mathematically equivalent;