Table 1.

Characteristics of the 7 included studies.

First Author (Year)	The Definition of Procedural Success	Procedural Successful Rate (CKD vs. Non-CKD)
Shimura T. (2016) [7]	TIMI flow grade 3 and a residual stenosis of ≤50% and without MACE	83.1% vs. 89.5%
Naganuma T. (2018) [8]	N/A	N/A
Azzalini L. (2018) [9]	TIMI flow grade = 3 and a residual stenosis < 30%	79% vs. 86%
Stahli B.E. (2018) [10]	TIMI flow grade = 3 and a residual stenosis < 30%	75.8% vs. 84.9%
Tajti P. (2018) [11]	TIMI flow grade = 3 and a residual stenosis < 30%	83.0% vs. 84.0
Malik A.O. (2020) [12]	TIMI flow grade ≥ 2 and a residual stenosis < 50% and no side branch occlusion	81.8% vs. 88.4%

Abbreviation: CKD: chronic kidney disease; TIMI, Thrombolysis In Myocardial Infarction.