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Renal insufficiency after a fenestrated endovascular aneurysm repair (FEVAR) and b open surgical repair (OSR). A random‐effects model was used for meta‐analysis. Pooled rate of postoperative renal insufficiency: a 16·2 (95 per cent c.i. 10·4 to 23·0) per cent; b 23·8 (15·2 to 33·6) per cent
