Factors

Adjusted OR (95% CI)

P value

Age

0.96 (0.77 - 1.2)

0.71

Height

0.95 (0.80 - 1.12)

0.51

Weight

1.84 (0.92 - 3.69)

0.08

Gender

0.57 (0.19 - 1.52)

0.24

Operation time

0.99 (0.99 - 1.01)

0.76

Use of CPB

0.82 (0.27 - 2.8)

0.82

Tracheal tube diameter

0.58 (0.11 - 2.13)

0.33

Use of uncuffed tube

0.31 (0.10 - 0.93)

0.04