Table 1.
No significant difference in patient characteristics and other operative data between the groups
| Group A (n = 47) |
Group B (n = 47) |
Group C (n = 47) |
Group D (n = 47) |
|
|---|---|---|---|---|
| Age (years) | 5.55 ± 2.02 | 6.02 ± 2.35 | 5.77 ± 1.91 | 5.98 ± 1.67 |
| Height (cm) | 118.34 ± 14.21 | 120.60 ± 16.02 | 117.81 ± 13.65 | 120.49 ± 12.02 |
| Weight (kg) | 22.88 ± 7.60 | 23.57 ± 8.57 | 22.57 ± 6.65 | 25.03 ± 7.22 |
| BMI(kg/m2) | 15.96 ± 2.65 | 15.75 ± 2.22 | 16.04 ± 2.27 | 16.97 ± 2.75 |
| Sex (M⁄ F) | 26/21 | 27/20 | 29/18 | 29/18 |
| ASA(I/II) | 47/0 | 47/0 | 47/0 | 47/0 |
| time of operation(min) | 29.74 ± 11.14 | 29.40 ± 11.10 | 29.43 ± 13.68 | 27.34 ± 11.95 |
| time of extubation(min) | 11.55 ± 3.32 | 13.72 ± 3.30† | 13.70 ± 3.59† | 13.68 ± 3.58† |
| incidence of laryngospasm | 0 | 0 | 0 | 0 |
| incidence of bronchospasm | 0 | 0 | 0 | 0 |
| incidence of stridor | 0 | 0 | 0 | 0 |
| tonsillectomy with or without adenoidectomy | 45/2 | 47/0 | 47/0 | 46/1 |
Values are mean ± standard deviation or numbers. †P < 0.05 vs. Group A
Group A, Lidocaine 0 mg/kg IV; Group B, Lidocaine 1 mg/kg IV; Group C, Lidocaine 1.5 mg/kg IV; Group D, Lidocaine 2 mg/kg IV