Changes in (A) blood pressure and (B) heart rate for the three groups.
FK group, fentanyl-ketorolac group; RK group: remifentanil-ketorolac group, DK group: dexmedetomidine-ketorolac group. t0, before induction time; t1, after induction time; t2, after incision time; t3, operation 15 minutes; t4, operation 30 minutes; t5, operation 60 minutes: t6, operation 75 minutes; t7, operation 80 minutes; t8, operation 85 minutes; t9, operation 90 minutes; t10-Rec-0, arrival at recovery room; t11-Rec-05, 5 minutes after arrival at recovery room; t12-Rec-10, 10 minutes after arrival at recovery room; t13-Rec-15, 15 minutes after arrival at recovery room; t14-Rec-20, 20 minutes after arrival at recovery room; t15-Rec-25, 25 minutes after arrival at recovery room; t16-rec-30, 30 minutes after arrival at recovery room.
*DK group indicates significantly lower than other groups for systolic blood pressure (P < 0.05); †DK group indicates significantly lower than other groups for diastolic blood pressure (P < 0.05); ‡DK group indicates significantly lower than other groups for heart rate (P < 0.05).