GSTM1 and infection: Based on the complication data provided by the 19 articles included in this article, the amount of Hb decreased before and after surgery, the proportion of patients requiring blood transfusion, postoperative hemorrhage or hematuria, infection or fever, postoperative analgesic drug use rate, treatment of upper urinary calculi complications of pelvic or ureteral perforation were analyzed separately to understand the complications of PCNL and fURL in the treatment of upper urinary calculi.