RE: RE: What are the best studies to combine?

From: Mark Sale - Next Level Solutions mark@nextlevelsolns.com Subject: RE: RE: [NMusers] What are the best studies to combine? Date: Thu, 30 Mar 2006 17:50:38 -0700 If the demographics/covariates are different between the groups, then you can't be sure if you have a study effect of a covariate effect. Imagine if you have one study of all males, with CL = 1 l/min and another with all females, CL = 2 l/min. Is this a study effect or a gender effect? No way to know. Mark Sale MD Next Level Solutions, LLC www.NextLevelSolns.com