Impact of frailty on outcomes of elderly patients undergoing percutaneous coronary intervention: A systematic review and meta-analysis

Figure 1 Study selection process. ¹Records identified from digital databases; ²Excluded based on title and abstract screening.

Figure 2 Forest plot showing association of in-hospital mortality and frailty among elderly patients undergoing percutaneous coronary intervention.

Figure 3 Meta-analysis plot showing association of all-cause mortality and frailty. A: Forest plot showing risk of all-cause mortality and frailty among elderly percutaneous coronary intervention patients; B: Funnel plot depicting publication bias.

Figure 4 Forest plot showing risk of major adverse cardiovascular events and frailty among elderly percutaneous coronary intervention patients.

Figure 5 Forest plot showing risk of major bleeding and frailty among elderly percutaneous coronary intervention patients.