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Table 3 Overview of study status, publication status, and sponsorship (Status: December 2006)

From: Negative pressure wound therapy: Potential publication bias caused by lack of access to unpublished study results data

  Study status  
  Completed (trials/patients) Discontinued (trials/patients) Ongoing (trials/patients) Unclear (trials/patients) Total (trials/patients)
Publication status      
Published* 9/473 1/22 (2/88) (0/0) 10/495
Unpublished 4/328 5/826 (4/500) (3/?) 9/1154
Sponsorship      
Industrial 8/413 6/848 5/1076 0/0 19/2337
Unclear 5/388 0/0 1/30 3/? 9/418
Total 13/801 6/848 6/1106 3/? 28/2755
  1. * Analysed patients.
  2. † Published/unpublished: full-text publications of final results (completed trials) or interim results (discontinued trials) were available/not available.
  3. ‡ Planned patients.