Factors

Adjusted OR (95% CI)

P value

Age

0.92 (0.73 - 1.17)

0.50

Height

0.95 (0.79 - 1.14)

0.58

Weight

1.53 (0.74 - 3.15)

0.24

Gender

0.78 (0.26 - 2.34)

0.65

Operation time

0.99 (0.99 - 1.01)

0.81

Use of CPB

1.12 (0.33 - 3.78)

0.85

Tracheal tube diameter

0.89 (0.19 - 4.06)

0.88

Use of uncuffed tube

0.24 (0.08 - 0.75)

0.01