Table 2 Comparison of patient characteristics by head and neck radiation status
Characteristic | Control N (%) | HNRT N (%) | P value |
|---|---|---|---|
Sex | 1.0 | ||
Female | 30 (12.7) | 30 (12.7) | |
Male | 206 (87.3) | 206 (87.3) | |
Body mass index (kg/m2) | 1.0 | ||
≤ 18.5 | 8 (3.4) | 9 (3.8) | |
18.6–25.0 | 113 (47.9) | 115 (48.7) | |
25.1—30.0 | 79 (33.5) | 78 (33.1) | |
30.1—35.0 | 26 (11.0) | 25 (10.6) | |
35.1—40.0 | 8 (3.4) | 8 (3.4) | |
≥ 40.1 | 2 (0.8) | 1 (0.4) | |
Mallampati score | 0.048 | ||
1 | 42 (18.3) | 21 (9.3) | |
2 | 96 (41.7) | 109 (48.2) | |
3 | 63 (27.4) | 67 (29.6) | |
4 | 29 (12.6) | 29 (12.8) | |
Mallampati score (1/2 vs. 3/4) | 0.59 | ||
1/2 | 138 (60.0) | 130 (57.5) | |
3/4 | 92 (40.0) | 96 (42.5) | |
Mouth opening | 0.11 | ||
Full | 191 (81.3) | 176 (75.2) | |
Limited | 44 (18.7) | 58 (24.8) | |
Edentulous | 0.59 | ||
Yes | 53 (22.5) | 48 (20.4) | |
No | 183 (77.5) | 187 (79.6) | |
Neck movement | 0.001 | ||
Full range | 210 (89.0) | 181 (77.7) | |
Restricted | 26 (11.0) | 52 (22.3) | |
Cancer stage | < 0.0001 | ||
T1 | 28 (13.1) | 56 (24.6) | |
T2 | 76 (35.7) | 79 (34.6) | |
T3 | 34 (16.0) | 58 (25.4) | |
T4 | 75 (35.2) | 35 (15.4) | |
Intubation status | 0.73 | ||
Difficult | 31 (13.2) | 27 (12.2) | |
Easy | 203 (86.8) | 195 (87.8) | |
Laryngeal view | 0.26 | ||
1 | 80 (58.8) | 70 (49.6) | |
2 | 41 (30.1) | 58 (41.1) | |
3 | 10 (7.4) | 10 (7.1) | |
4 | 5 (3.7) | 3 (2.1) | |
Laryngeal view (1/2 vs. 3/4) | 0.62 | ||
1/2 | 121 (89.0) | 128 (90.8) | |
3/4 | 15 (11.0) | 13 (9.2) |