Table 2. Randomized trials comparing bilateral and single internal thoracic arteries.

Author, year	Number of patients	Country	Follow-up
Myers et al., 2000	162	United States	Median 90 months
Gaudino et al., 2005	60	Italy	Mean 52 month
Nasso et al., 2009	850	Italy	Mean 2 years
Head and Kappetein, 2019	3102	International	Mean 10 years

Adapted from Gaudino et al.¹⁴⁾