Objective: To determine the predictive value of the delta neutrophil index (DNI) for acute pyelonephritis (APN), which increases in conditions of infection and inflammation.
Study Design: Observational, comparative cross-sectional study.
Place And Duration Of Study: Department of Urology, Kahramanmaraş Sütçü İmam University, Turkey, from December 2014 to November 2019.