Fig. 3From: General anesthesia with S-ketamine improves the early recovery and cognitive function in patients undergoing modified radical mastectomy: a prospective randomized controlled trialThe comparison of the VAS scores of patients in two groups. #P < 0.05, compared with T0. *P < 0.05, compared with control group. Abbreviations: VAS, Visual Analogic Scale; T0, The end of surgery; T1, 4 h after surgery; T2, 6 h after surgery; T3, 24 h after surgery; T4, 48 h after surgeryBack to article page