Table 2 Ten different subgroup settings and the results of the duration of intubation, success rate, and visual analogue difficulty scoring
Manipulation Holding part of tube | Shape | Longitudinal distance (cm) Bend angles (°) | Duration of intubation | Success rate (%) | Visual analogue scale score (cm) | |||
|---|---|---|---|---|---|---|---|---|
Mean ± Standard deviation (seconds) | HR | 95% CI | ||||||
1 | Top | Banana | 28 cm | 33.63 ± 33.87 | 1.00 | 1.00 | 90.63% | 4.24 ± 2.11 |
2 | Top | Banana | 26 cm | 31.91 ± 31.82 | 1.05 | 0.60–1.83 | 93.75% | 4.34 ± 2.33 |
3 | Middle | Banana | 28 cm | 30.10 ± 18.73 | 1.01 | 0.63–1.62 | 96.88% | 4.62 ± 1.94 |
4 | Middle | Banana | 26 cm | 31.06 ± 24.59 | 1.04 | 0.68–1.59 | 93.75% | 4.48 ± 2.12 |
5 | Top | Straight-to-cuff | 35° | 34.81 ± 27.70 | 0.87 | 0.55–1.37 | 93.75% | 4.67 ± 2.30 |
6 | Top | Straight-to-cuff | 50° | 28.03 ± 16.36 | 1.11 | 0.68–1.82 | 96.88% | 4.36 ± 2.32 |
7 | Middle | Straight-to-cuff | 35° | 34.10 ± 32.12 | 1.00 | 0.65–1.53 | 93.75% | 4.29 ± 4.48 |
8 | Middle | Straight-to-cuff | 50° | 27.53 ± 16.31 | 1.15 | 0.74–1.78 | 96.88% | 3.90 ± 2.12 |
9 | Lifting of epiglottis | Straight-to-cuff | 35° | 23.75 ± 14.24 | 1.54 | 1.01–2.34 | 100% | 4.15 ± 2.22 |
10 | Lifting of epiglottis | Straight-to-cuff | 50° | 20.72 ± 6.90 | 1.85 | 1.23–2.78 | 100% | 3.97 ± 2.13 |