Table 2.

Characteristics of systematic review authors (n=655)

Accuracy of author COI disclosure statement (n=655)	Reported conflict of interest (COI)	103 (81.1)
	Undisclosed FCOI found on open payments database	10 (7.9)
	Undisclosed FCOI found on docs for profs	1 (0.8)
	Undisclosed FCOI found by patents	3 (2.4)
	Undisclosed FCOI found on PubMed	71 (55.9)
	Additional FCOI besides what is already declared	20 (15.7)
Country of affiliation for authors conducting the systematic review (n=655)	USA	276 (42.1)
	UK	116 (17.7)
	Canada	69 (10.5)
	Australia	61 (9.3)
	India	17 (2.6)
	Netherlands	16 (2.4)
	Germany	15 (2.3)
	China	13 (2.0)
	Ireland	11 (1.7)
	Malaysia	11 (1.7)
	Switzerland	9 (1.4)
	France	7 (1.1)
	Belgium	6 (0.9)
	Spain	6 (0.9)
	Other	22 (3.4)