Table 1: Demographic variables, neck measurements.

 

Variables

Group U + F

(n = 9)

Group F

(n = 10)

P value

Age

62 23

66 8

0.7

Gender M/F

4/5

6/4

0.4

BMI

24 4

26 3

0.3

OSA

3

5

0.4

Neck circumference (cm)

40 5

42 4

0.1

Thyromental distance (cm)

5.5 1

5.7 1

0.4

Sternomental distance (cm) (extension)

9 1.7

10 1.5

0.4

Cricosternal distance (cm)

3 1

3.5 1

0.5

Neck extension (cm)

3.7 0.7

3.7 0.4

0.9

Ventilator day via ETT

12 4

12 2

0.9

 

BMI: Body mass index; OSA: Obstructive sleep apnea; ETT: Endotracheal tube