Primary Versus Revisional Bariatric and Metabolic Surgery in Patients with a Body Mass Index ≥ 50 kg/m<sup>2</sup>-90-Day Outcomes and Risk of Perioperative Mortality.

There were three mortalities (1.1%), one patient in the primary group (0.9%) and two patients in the revisional group (2.3%); however, the difference between groups did not reach statistical significance ( p = 0.42).

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