“…Seven studies directly compared TEVAR outcomes between elderly and nonelderly patients [1,4,5,10,12,14,17], with three studies comparing emergency and elective TEVAR procedures [5,9,11]. In addition, six studies conducted KM analysis investigating the overall survival (OS) in elderly patients undergoing TEVAR [1,4,5,13,15,16]. A minimum of three studies per outcome were needed for data synthesis and analysis.…”