McGrath (n = 105) | Pentax (n = 105) | Macintosh (n = 105) | p value | |
---|---|---|---|---|
Total success rate | 105 (100) | 104 (99) | 104 (99) | 1.000 |
1st attempt success | 104 (99) | 105 (100) | 101 (96) | 0.376 |
Intubation time | 19 [15–26] | 19 [14–25] | 19 [16–27] | 0.497 |
Incidence of dental click | 20 (19) | 31 (30) | 38 (36)a | 0.022 |
Difficulty grade | 3.0 [2.0–4.0] | 3.0 [2.0–3.5] | 3.0 [2.0–5.0] | 0.013 |
Glottic grade | < 0.001 | |||
I | 83 (79) | 86 (82) | 27 (26) | |
IIa | 7 (7) | 1 (1) | 17 (16) | |
IIb | 15 (14) | 18 (17) | 48 (46) | |
III | 0 (0) | 0 (0) | 10 (9) | |
IV | 0 (0) | 0 (0) | 3 (3) |