“…Table V, online only, summarizes the quality of the included studies. A control group was not described in seven studies, [21][22][23][24][25][26][27] was a historic cohort of patients undergoing open repair in three studies, [28][29][30] was a group of patients with symptomatic AAA in one study, 31 was a concurrent cohort of patients who were ineligible for REVAR (anatomically unsuitable or hemodynamically unstable) in two studies, 32,33 was a concurrent cohort of patients who were either ineligible for REVAR or who, though eligible, underwent open repair because equipment or staff were lacking at the time of their presentation in two studies, 34,35 was a concurrent cohort whose selection was not described in two studies, 36,37 and a combination of patients undergoing REVAR prior to implementation of an algorithm and a historical and concurrent group of patients undergoing open repair in one. 38 No study included in this review reported a control group comprised entirely of concurrent patients who were eligible for REVAR who underwent open repair.…”