Table 3.

Tracheal intubation data for tongue edema scenario. Data are reported as median (IQR [range]) or as number (%)

Value	Macintosh	C-MAC	D-Blade	p
Overall success rate (%)	14 (53.8)*†	26 (100)	24 (92.3)	<0.001
Number of intubation attempts (%)
1	12 (46.1)	19 (73.1)	17 (65.4)	0.025
2	8 (30.8)	7 (26.9)	7 (26.9)
3		6 (23.1)	0	2 (7.7)
Summary	2 (1–2.25 [1–3])*†	1 (1–2 [1–2])	1 (1–2 [1–3])
Cormack and Lehane grade
1	1 (3.8)	22 (84.6)	21(80.8)	<0.001
2	8 (30.8)	4 (15.4)	5 (19.2)
3	16 (61.5)	0	0
4	1 (3.8)	0	0
Summary	3 (2–3 [1–4])*†	1 (1–1 [1–2])	1 (1–1 [1–2])
POGO score	0 (0–30 [0–80])*†	80 (70–100 [20–100])	95 (70–100 [30–100])	<0.001
Number of optimization maneuvers (%)
0	7 (26.9)	22 (84.6)	16 (61.5)	<0.001
1	13 (50)	4 (15.4)	7 (26.9)
2	6 (23.1)	0	3 (11.5)
Summary	1 (0–1.25 [0–2 ])*†	0 (0–0 [0–1])	0 (0–1 [0–2])*
Severity of dental compression (%)
0	0	7 (26.9)	5 (19.2)	<0.001
1	0	16 (61.5)	16 (61.5)
2	26 (100)	3 (11.5)	5 (19.2)
Summary	2 (2–2 [2–2])*†	1 (0–1 [0–2])	1 (1–1 [0–2])

^*p<0.05 compared with C-MAC laryngoscope;

^†p<0.05 compared with D-Blade laryngoscope.

POGO: Percentage of glottic opening