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