Table 3 Tympanogram (before, at end of treatment, and after 12 weeks) among 30 patients
From: Effect of head and neck radiotherapy on the Eustachian tube functions
Variables | Frequency (%) | |
|---|---|---|
Tympanogram (before ttt) (ipsilateral and contralateral) | A—Normal | 30 (100%) |
B—Effusion | 0 (0%) | |
C—ET dysfunction | 0 (0%) | |
Tympanogram (end of ttt) (contralateral) | A—Normal | 22 (73.3%) |
B—Effusion | 2 (6.7%) | |
C—ET dysfunction | 6 (20%) | |
Tympanogram (end of ttt) (ipsilateral) | A—Normal | 14 (46.7%) |
B—Effusion | 6 (20%) | |
C—ET dysfunction | 10 (33.3%) | |
Tympanogram (12 weeks) (contralateral) | A—Normal | 25 (83.3%) |
B—Effusion | 2 (6.7%) | |
C—ET dysfunction | 3 (10%) | |
Tympanogram (12 weeks) (ipsilateral) | A—Normal | 22 (73.3%) |
B—Effusion | 2 (6.7%) | |
C—ET dysfunction | 6 (20%) | |