Fig. 2From: Optimal timing of ureteroscopic lithotripsy after the initial drainage treatment and risk factors for postoperative febrile urinary tract infection in patients with obstructive pyelonephritis: a retrospective studyPost-URSL fUTI incidence depending on operation time. a Comparison of operation time with or without post-URSL fUTI and post-URSL fUTI incidence according to operative time. b Same examination as (a) in renal stone cases. c Comparison of operation time by severity in post-URSL fUTI cases. Severe sepsis was defined as concurrent disseminated intravascular coagulation (DIC) or as a condition requiring a vasopressor. fUTI febrile urinary tract infection, URSL ureteroscopic lithotripsyBack to article page