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Table 1 Trial registration type according to protocol submission type

From: Registration and primary outcome reporting in behavioral health trials

   Registration Type  
   Prospective Retrospective Total
Protocol Submission Type a Prospective 15 1 16
  Retrospective 53 67 120
  Total 68 68  
  1. aProspectively submitted protocols are those published before commencement of the associated trial
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BMC Medical Research Methodology

ISSN: 1471-2288

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