Figure 3. Randomized trials comparing endovascular repair with open repair of unruptured abdominal aortic aneurysm (AAA). DREAM = Dutch Randomized Endovascular Aneurysm Management Trial; ESPAS = Eindhoven Stent Prothesis for Aneurysm Study; EVAR = Endovascular Aneurysm Repair trial 1; EVR = endovascular repair; RR (random) = relative risk by random-effects model.