| Parameters | Control (n=30) | Lidocaine (n=30) | P-value | 
      
        | SBP 2 min before extubation | 113 ±  7.67 114(95-126)
 | 111 ±  6.73 110(101-130)
 | 0.14 | 
      
        | SBP 2 min after extubation | 130 ±  4.87° 130(119-139)
 | 120.96 ±  1.56° 121(117-124)
 | 0.0001* | 
      
        | SBP 5 min after extubation | 114.96 ±  5.22 116(103-125)
 | 113.96 ±  6.59 113(100-127)
 | 0.50 | 
      
        | SBP 10 min after extubation | 112 ±  6.54 112(102-126)
 | 112.03 ±  3.25 112(103-118)
 | 0.85 | 
      
        | DBP 2 min before extubation | 69.03 ±  5.11 69(61-80)
 | 66.93 ±  4.07 67(56-75)
 | 0.16 | 
      
        | DBP 2 min after extubation | 75.10 ±  5.19° 74(68-86)
 | 71 ±  3.18° 71(65-76)
 | 0.002* | 
      
        | DBP 5 min after extubation | 70.03 ±  4.29 70.5(60-81)
 | 67.83 ±  1.01 68(66-70)
 | 0.003* | 
      
        | DBP 10 min after extubation | 67.96 ±  5.24 67.5(54-81)
 | 66.03 ±  2.55 66(61-72)
 | 0.09 | 
      
        | HR 2 min before extubation | 80.03 ±  10.78 80.5(62-104)
 | 78.03 ±  14.29 79(45-107)
 | 0.56 | 
      
        | HR 2 min after extubation | 85.96 ±  12.74 86(62-104)
 | 82.06 ±  12.10 79.5(64-115)
 | 0.15 | 
      
        | HR 5 min after extubation | 81.10 ±  9.88 79.5(53-102)
 | 78.96 ±  2.04 79(74-83)
 | 0.49 | 
      
        | HR 10 min after extubation | 81.93 ±  10.20 82(62-108)
 | 78 ±  3.22 77(73-84)
 | 0.12 | 
      
        | Data are expressed as mean  ±   standard    deviation and median (range); °Significant difference with baseline (within    group); * Significant difference between groups; Mann-Whitney test was used    for intergroups comparisons and Wilcoxon test was for within group    comparison. SBP: Systolic blood pressure; DBP: Diastolic blood pressure; HR:    Heart rate. |