Prevention of lung-to-lung aspiration during emergency thoracic surgery: an experimental study

Table 1 Time to first leakage and to 100% leakage of double-lumen tubes at each intra-cuff pressure

Group	Time to first leakage (s)*	Corrected P-value*	Time to 100% leakage (min) ^†	Corrected P-value
25	21.0 (7.0-59.0)	0.495^a	3.0 (2.0-4.0)	0.786^a
50	48.0 (32.0-78.0)	0.002^b	6.0 (4.0-12.0)	0.002^b
100	191 (125.0-260.0)	0.002^c	85.0 (70.0-130.0)	0.002^c

Data are presented as median (interquartile).
Group 25: Intra-cuff pressure of 25 cm H₂O; group 50: Intra-cuff pressure of 50 cm H₂O; group 100: Intra-cuff pressure of 100 cm H₂O.
*P = 0.001 among all three groups.
^†P < 0.001 among all three groups.
^aGroup 25 vs. group 50.
^bGroup 50 vs. group 100.
^cGroup 25 vs. group 100.

ISSN: 1749-7922