Drug-Coated versus Uncoated Balloon for Side Branch Protection in Coronary Bifurcation Lesions Treated with Provisional Stenting Using Drug-Eluting Stents: A Meta-analysis

Table 3

Quality evaluation of the included NRCT.

Study	Representativeness of the exposed cohort	Selection of the nonexposed cohort	Ascertainment of exposure	Demonstration that outcome of interest was not present at start of study	Comparability - age and gender	Comparability - other factors	Assessment of outcome	Was follow-up long enough for outcomes to occur	Adequacy of follow-up of cohorts	Total
Herrador 2013	0	1	1	1	1	1	1	1	1	8
Zhang 2019	0	1	1	1	1	1	1	0	1	7
Li 2021	1	1	1	1	1	1	1	1	1	9