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Comparison of hemodynamic indexes. A. SBP changes in two groups. SBP levels in the joint group at T2 and T3 were significantly lower than those in the general anesthesia group. B. Changes of HR in the two groups. HR in the joint group was significantly higher than that in the general anesthesia group at T1 and T2. * indicates a statistical difference compared with T0; # indicates a statistical difference compared with another group.
