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Table 3 Survey of journals editors' endorsement of extensions to the CONSORT Statement *

From: Endorsement of the CONSORT Statement by high impact factor medical journals: a survey of journal editors and journal 'Instructions to Authors'

  Yes No Not applicable
Journal recommends authors comply with the CONSORT    
   Cluster extension 31 (69%) 10 (22%) 4 (9%)
   Harms extension 27 (60%) 11 (24%) 7 (16%)
   Herbal extension 13 (29%) 10 (22%) 22 (49%)
   Non-inferiority and equivalence extension 19 (42%) 12 (27%) 14 (31%)
Journal requires authors comply with the CONSORT    
   Cluster extension 22 (49%) 16 (36%) 7 (15%)
   Harms extension 18 (40%) 18 (40%) 9 (20%)
   Herbal extension 12 (26%) 14 (30%) 20 (44%)
   Non-inferiority and equivalence extension 13 (29%) 17 (39%) 14 (32%)
Journal mentions CONSORT extension in its 'Instructions to Authors'    
   Cluster extension 12 (27%) 28 (62%) 5 (11%)
   Harms extension 10 (22%) 29 (65%) 6 (13%)
   Herbal extension 5 (12%) 24 (56%) 14 (32%)
   Non-inferiority and equivalence extension 5 (12%) 28 (65%) 10 (23%)
  1. * Some responders did not complete all sections of the survey.