From: A study of the value of requesting information from drug manufacturers for systematic reviews; 9 years of experience from the drug effectiveness review project
Total affecting conclusions
Favors dossier drug
Favors a competitor
No difference
Other
Unpublished
25
13 (52%)
2 (8.0%)
10 (40%)
Psychiatry topics
31
15 (48%)
6 (19%)
13 (42%)
2 (6%)