| Variables | |
|---|---|
| Average Time of induction to unconsciousness(in seconds) | 15 ± 3 s |
| Average Time for deep anaesthesia (min) | 4.7 ± 0.90 min |
| Age (yrs.) | 3 - 7 months |
| Gender M:F | 8/7 |
| Pathology | |
| Laryngeal papillomatosis | 4 |
| Laryngeal web | 2 |
| Laryngeal polyp | 1 |
| Subglottic stenosis | 5 |
| Subglottic granuloma | 3 |