Table 7 Number of trials by presence or absence of publication in medical journals by search date
| Â | Number of trials | ||
|---|---|---|---|
| Â | As of 30 November, 2004 (N = 64) | As of 25 February, 2007 (N = 117) | As of 25 July, 2009 (N = 152) |
Published trials | 45 (70.3%) | 67 (57.3%) | 92 (60.5%) |
Unpublished trials | 19 (29.7%) | 50 (42.7%) | 60 (39.5%) |
   Completed but unpublished trials | 9 | 17 | 22 |
   Ongoing unpublished trials | 10 | 33 | 38 |