Demographic and surgery data
| Group S (n=35) | Group N (n=35) | Group M (n=35) | P value | |
| Age (y) | 6.9±1.4 | 6.6±1.5 | 6.7±1.6 | 0.681 |
| Weight (kg) | 23.5±4.9 | 23.1±5.7 | 23.6±5.4 | 0.914 |
| Height (cm) | 122.8±7.9 | 120.5±12.5 | 118.5±12.4 | 0.270 |
| Gender (F/M) | 18/17 | 19/16 | 19/16 | 0.962 |
| Duration of anesthesia (min) | 75±10.8 | 72.4±11.1 | 72.3±12.1 | 0.571 |
| Total intraoperative fentanyl consumption (µg) | 22.1±7.1 | 22.6±6.6 | 22.7±6.6 | 0.934 |
| M-YPAS preoperative | 28.3±6.5 | 26.5±6.2 | 26.1±3.4 | 0.360 |
| Operation type, n | ||||
| Orchiopexy | 10 | 9 | 10 | 0.942 |
| Hypospadias | 7 | 5 | 5 | |
| Inguinal hernia | 18 | 21 | 20 |
No significant differences were noted among the groups.
Data are shown in mean±standard deviation (SD) if not indicated.
F, female; Group M, music; M, male; M-YPAS, Modified Yale Preoperative Anxiety Scale; N, noise; S, silence.