|
Characteristic
|
DTI N (%)
|
Non-DTI N (%)
|
P value
|
|---|
|
Sex
| | |
0.42
|
|
Female
|
9 (16.1)
|
47 (83.9)
| |
|
Male
|
49 (12.3)
|
351 (87.8)
|
|
Body mass index (kg/m2)
| | |
0.23
|
|
≤ 18.5
|
3 (17.6)
|
14 (82.4)
| |
|
18.6–25.0
|
32 (14.7)
|
185 (85.3)
|
|
25.1–30.0
|
19 (12.3)
|
136 (87.7)
|
|
30.1–35.0
|
2 (4.1)
|
47 (95.9)
|
|
35.1–40.0
|
1 (6.7)
|
14 (93.3)
|
|
≥ 40.1
|
1 (33.3)
|
2 (66.7)
|
|
HNRT
| | |
0.73
|
|
No
|
31 (13.2)
|
203 (86.8)
| |
|
Yes
|
27 (12.2)
|
195 (87.8)
|
|
Mallampati score
| | |
0.032
|
|
1
|
4 (6.5)
|
58 (93.5)
| |
|
2
|
19 (9.5)
|
182 (90.5)
|
|
3
|
22 (17.1)
|
107 (82.9)
|
|
4
|
11 (19.6)
|
45 (80.4)
|
|
Mallampati score (1/2 vs. 3/4)
| | |
0.004
|
|
1/2
|
23 (8.7)
|
240 (91.3)
| |
|
3/4
|
33 (17.8)
|
152 (82.2)
|
|
Mouth opening
| | |
0.53
|
|
Full
|
44 (12.3)
|
314 (87.7)
| |
|
Limited
|
14 (14.7)
|
81 (85.3)
|
|
Edentulous
| | |
0.42
|
|
Yes
|
10 (10.3)
|
87 (89.7)
| |
|
No
|
48 (13.4)
|
310 (86.6)
|
|
Neck movement
| | |
0.066
|
|
Full range
|
44 (11.5)
|
337 (88.5)
| |
|
Restricted
|
14 (19.4)
|
58 (80.6)
|
|
Cancer stage
| | |
0.58
|
|
T1
|
8 (9.6)
|
75 (90.4)
| |
|
T2
|
23 (15.1)
|
129 (84.9)
|
|
T3
|
10 (11.4)
|
78 (88.6)
|
|
T4
|
11 (10.8)
|
91 (89.2)
|
- Abbreviations: DTI difficult tracheal intubation, HNRT head and neck radiation therapy
- Row percentages are provided
