Table 1. Characteristics of the included studies.

CAD: coronary artery disease; CABG: coronary artery bypass graft; PCI: percutaneous coronary intervention

Author	Year	Setting	Population	Groups	Sample size	Follow-up period
Boudriot et al. [13]	2011	Multicenter	Left main CAD with or without multivessel CAD	PCI	100	1 year
				CABG	101
Booth et al. [14]	2008	Multicenter	Multivessel coronary disease	PCI	488	6 years
				CABG	500
Buszman et al. [15]	2008	Single center	Left main CAD with or without multivessel CAD	PCI	52	1 year
				CABG	53
Farkouh et al. [7]	2012	Multicenter	Multivessel coronary disease	PCI	953	5 years
				CABG	947
Hueb et al. [16]	2009	Single center	Multivessel coronary disease	PCI	205	10 years
				CABG	203
Kamalesh et al. [17]	2013	Multicenter	Multivessel coronary disease	PCI	101	2 years
				CABG	97
Kapur et al. [18]	2010	Multicenter	Multivessel coronary disease	PCI	256	1 year
				CABG	248
Kumar et al. [19]	2020	Single center	Multivessel coronary disease	PCI	103	1 year
				CABG	107
Mäkikallio et al. [3]	2016	Multicenter	Patients with left main CAD	PCI	592	5 years
				CABG	592
Park et al. [20]	2011	Multicenter	Left main CAD	PCI	300	2 years
				CABG	300
Serruys et al. [21]	2009	Multicenter	Left main and/or three-vessel disease	PCI	891	1 year
				CABG	849
Stone et al. [4]	2016	Multicenter	Patients with left main CAD	PCI	948	3 years
				CABG	957