[Retracted] The Relationship between Cuff Pressure and Air Injection Volume of Endotracheal Tube: A Study with Sheep Trachea Ex Vivo

Table 2

The difference between the actual cuff pressure and theoretical cuff pressure inferred by the formula.

Tracheal group	Tracheal tube size	The mean difference between the theoretical data and actual data of endotracheal tube cuff injection (cmH20)
		1.0 ml	1.4 ml	1.8 ml	2.2 ml	2.6 ml	3.0 ml
A	6.5
	7
	7.5
B	6.5
	7
	7.5
C	6.5
	7
	7.5
D	7
	7.5
	8
E	7
	7.5
	8