Demographic data of patients and propofol dose in three groups
| Group C (n=30) | Group L (n=30) | Group N (n=30) | P value | |
| Gender (female:male), n | 9:21 | 10:20 | 15:15 | 0.231 |
| Age (mon), mean±SD | 6.05±2.23 | 5.40±1.33 | 5.31±1.19 | 0.17 |
| Weight (kg), mean±SD | 25.55±6.16 | 22.31±4.56 | 24.63±5.17 | 0.342 |
Group C, control group; group L, lidocaine group; group N, nalbuphine group; SD, standard deviation.