Parameters Lidocaine (n=30) Control (n=30) P-value
IOP 2 min before extubation 11.10 ± 1.76
11(8-15)
11.56 ± 1.40
12(9-14)
0.24
IOP 2 min after extubation 13.53 ± 1.07°
14(11-15)
16.76 ± 1.10°
17(14-20)
0.0001*
IOP 5 min after extubation 11.53 ± 0.57
11.5(11-13)
14.23 ± 0.56°
14(13-15)
0.0001*
IOP 10 min after extubation 10.50 ± 0.50
11(9-11)
12.40 ± 0.67°
12(11-14)
0.0001*
Data are expressed as mean ± standard deviation and median (range); ° Significant difference with baseline (inside group); * Significant difference between groups; Mann-Whitney test was used for intergroups comparisons and Wilcoxon test was for within group comparison; IOP: Intraocular pressure.
Table 3: Comparison of intraocular pressure changes before and after tracheal extubation in the studied groups