Reporting of conflicts of interest in guidelines of preventive and therapeutic interventions

Table 1 Characteristics of practice guidelines: reporting of conflicts of interest.

P-values are based on Fisher's exact test. ^* emphasis placed on medications rather than on vaccines, devices, surgical interventions, nutritional interventions, counseling, screening, rehabilitation and other non-pharmaceutical interventions † other sources of funding include mostly professional organizations (American College of Physicians, American Academy of Pediatrics, American Medical Association); mixed source of funding is defined as a combination of two or more of the four categories of funding ‡ n=60 for this analysis; 30 guidelines did not have group authorship and another 30 guidelines specified specific individuals who were primarily responsible for writing the manuscript, even if group authorship was mentioned

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