The prognostic nutritional index (PNI) is independently associated with 90-day and 12-month mortality after metastatic spinal tumor surgery

Rafael De la Garza Ramos, Jessica Ryvlin, Mousa Hamad, Mitchell S. Fourman, Ananth Eleswarapu, Yaroslav Gelfand, Saikiran G. Murthy, John H. Shin, Reza Yassari