The following factors were associated with adverse outcomes: age; hypertension; combined injuries; time to admission; ASA classification; surgery type; ratio of perioperative blood transfusion; intraoperative blood loss; postoperative hospital stay; admission values of ALB, PAb, Hb, LYM count, NEUT count and PNI; 1-day postoperative values of ALB, PAb, Hb, GLB, LYM count, NEUT count, NLR and PNI; and PAb value before discharge (all P values < 0.10; Table 1). The gene discussed is GSTM1; the disease is hypertensive disorder.