Table 1 Patient characteristics
Patient characteristics | Neck extension group (n = 32) | Neutral position group (n = 33) |
|---|---|---|
Gender (M / F) | 17/ 15 | 21 / 12 |
Age (y) | 42.3 ± 18.2 | 41.5 ± 18.6 |
Height (cm) | 165.4 ± 10.4 | 167.2 ± 10.0 |
Weight (kg) | 65.8 ± 13.9 | 66.5 ± 12.1 |
BMI (kg/m2) | 23.8 ± 3.6 | 23.7 ± 3.5 |
Nose-posterior wall of nasopharynx distance (cm) | 9.6 ± 0.8 | 9.7 ± 0.8 |