|  |  | Number | (%) |
---|---|---|---|---|
Pre-Treatment | Â | Â | Â | |
 | Voice Quality |  |  | |
 |  | Impaired | 129 | 91.5 |
 |  | Normal | 4 | 2.8 |
 |  | missing | 8 | 5.7 |
 | Trismus (pretx) |  |  | |
 |  | N | 123 | 87.2 |
 |  | Y | 2 | 1.4 |
 |  | missing | 16 | 11.3 |
Post Treatment | Â | Â | Â | |
 | Chronic Hoarseness |  |  | |
 |  | Improved | 103 | 73.0 |
 |  | Unchanged | 11 | 7.8 |
 |  | Worsened | 12 | 8.5 |
 |  | missing | 15 | 10.6 |
 | Trismus (posttx) |  |  | |
 |  | Improved | 1 | 0.7 |
 |  | None | 126 | 89.4 |
 |  | missing | 14 | 9.9 |
 | Chronic Laryngeal Edema |  |  | |
 |  | None | 101 | 71.6 |
 |  | Mild/Mod | 24 | 17.0 |
 |  | Severe | 1 | 0.7 |
 |  | Very Severe | 1 | 0.7 |
 |  | missing | 14 | 9.9 |
 | Chronic Dysphagia |  |  | |
 |  | None | 118 | 83.7 |
 |  | Mild | 7 | 5.0 |
 |  | Moderate | 1 | 0.7 |
 |  | Severe | 1 | 0.7 |
 |  | missing | 14 | 9.9 |