Table 2.

Degree of force required to rotate the bougie tips as classified by each anesthesiologist

Degree of force for rotation	Bougie
	Venn reusable	Boussignac	Portex single-usea, b	Frovaa, b
Easy	7	5	0	0
Moderate	0	2	0	0
Difficult	0	0	6	5
Impossible	0	0	1	2

Easy or moderate is considered clinically acceptable

^a P < 0.01 vs Venn reusable

^b P < 0.01 vs Boussignac