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. 2015 Jul 2;94(26):e1060. doi: 10.1097/MD.0000000000001060

FIGURE 4.

FIGURE 4

Meta-analysis of the stroke/death rate within 30 d from randomized and nonrandomized comparative studies. (A) The efficacy of CEA for freedom from stroke/death within 30 d was superior to that of CAS in randomized and nonrandomized comparative studies. (B) The likelihood of publication bias was low. CaRESS = carotid revascularization using endarterectomy or stenting systems, CAS = carotid artery stenting, CEA = carotid endarterectomy, CI = confidence interval(s), CREST = carotid revascularization endarterectomy versus stenting trial, EVA-3S = endarterectomy versus angioplasty in patients with symptomatic severe carotid stenosis, ICSS = international carotid stenting study, RCTs = randomized comparative studies, SAPPHIRE = stenting and angioplasty with protection in patients at high risk for endarterectomy, SPACE = stent-supported percutaneous angioplasty of the carotid artery versus endarterectomy.