Table 5.

Study details for trial leads, sites, and authorship of included implantable cardioverter–defibrillator randomized controlled trials

Parameter	Frequency	Parameter	Frequency
Trial origin		Trial enrollment sites
North America	4 (80)	North America	4 (40)
Europe	1 (20)	Europe	3 (30)
Australia	0	Australia	2 (20)
Asia	0	Asia	1 (10)
Africa	0	Africa	0
South America	0	South America	0
First author by sex		Corresponding author by sex
Male	2 (40)	Male	2 (40)
Female	3 (60)	Female	3 (60)
First author by race		Corresponding author by race
White	4 (80)	White	4 (80)
Black	0	Black	0
Hispanic	1 (20)	Hispanic	0
Asian	0	Asian	1 (20)
Southeast Asian	0	Southeast Asian	0
Other	0	Other	0
First author by site		Corresponding author by site
North America	4 (80)	North America	4 (80)
Europe	1 (20)	Europe	1 (20)
Australia	0	Australia	0
Asia	0	Asia	0
Africa	0	Africa	0
South America	0	South America	0
Funding recipient by sex∗		Funding sponsor by trial†
Male	5 (100)	Industry	3 (50)
Female	0	Peer-reviewed	3 (50)
Funding recipient by race∗		Funding recipient by site∗
White	4 (80)	North America	4 (80)
Black	0	Europe	1 (20)
Hispanic	0	Australia	0
Asian	1 (20)	Asia	0
Southeast Asian	0	Africa	0
Other	0	South America	0

Values are n (%).

^∗Funding recipient/s were those acknowledged from the article, when possible, or was considered to be the corresponding study lead as listed at clinicaltrials.gov, if not otherwise stated.

^†One study, Tang et al.,¹⁷ reported funding from both sources.