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| Fiberoptic Intubation | Group 1 | Group 2 | P-value | ||
| Grade of glottis | No. | % | No. | % | |
| Grade 1 | 32 | 80 | 35 | 87.5 | 0.567 |
| Grade 2 | 8 | 20 | 5 | 12.5 | |
| Grade 3 | 0 | 0 | 0 | 0 | |
| Grade 4 | 0 | 0 | 0 | 0 | |
| Grade 5 | 0 | 0 | 0 | 0 | |
