| Parameter | 
        Control | 
        Lidocaine | 
        Diltiazem | 
        Esmolol | 
        p-value | 
       
      
        | SBP (mmHg) | 
        145.0 ± 2.04 | 
        136.7 ± 1.29** | 
        133.1 ± 1.29*** | 
        131.9 ± 1.39*** | 
        P<0.0001 | 
       
      
        | DBP (mmHg) | 
        94.28 ± 0.802 | 
        91.80 ± 0.88 | 
        85.15 ± 0.85*** | 
        82.63 ± 0.83*** | 
        P<0.0001 | 
       
      
        | HR (per min) | 
        109.5 ± 1.16 | 
        101.1 ± 1.31*** | 
        89.90 ± 1.08*** | 
        91.40 ± 1.19*** | 
        P<0.0001 | 
       
      
        | MAP    (mmHg) | 
        111.2 ± 0.88 | 
        106.8 ± 0.70*** | 
        101.1 ± 0.80*** | 
        99.04 ± 0.65*** | 
        P<0.0001 | 
       
      
        | RPP | 
        15860 ± 267.3 | 
        13810 ±    200.5 *** | 
        11980 ±    205.2 ***  | 
        12060 ± 213.7 *** | 
        P<0.0001 | 
       
     
    Data are presented as means ± SEM, and p value. ANOVA with repeated measures was used to compare the changes in SBP, DBP, HR, MAP and RPP values. p is
    significant at <0.05*, <0.01** and <0.001*** |