Metabolic Syndrome as a Risk Factor for Postoperative Complication in Patients Undergoing Spine Surgery: A Systematic Review and Meta-Analysis of More Than 3 Million Cases. - Asgari AM; Shaker F; Pahlevan Fallahy MT; Sharifkashani S; Soltani Khaboushan A; Salabat D; Carballo Cuello C; Harrop JS; Alikhani P (International journal of spine surgery, 2025)