Table 3 Logistic regression output of associated variables of postoperative airway discomfort after extubation

Frequent episode of intraop hypotension

3.60

12.85

4.56–36.18

.000

Larger endotracheal tube size (7.0–7.5)

6.46

6.26

2.13–18.43

.001

Duration of surgery lasting 2 or more hours

12.47

11.20

3.53–35.50

.000

Deep extubation

0.15

0.16

0.05–0.43

.000

Estimated blood loss > 15% of estimated blood volume

2.83

2.46

0.92–6.62

.084

Anesthetists’ experience less than 2 years

20.13

18.10

6.51–50.31

.000