Table 2.
Comparison of improvement in pure tone average (PTA) between groups following dexamethasone (DXM) treatment
| Group | PTAc (dB) | PTADXM (dB) | n1 | n2 |
| Perfusion (n=21) | 71±25.2* | 62±21.7 | 9 (42.9%) | 8 (38.1%) |
| Injection (n=23) | 71±24.2 | 61±18.7 | 11 (47.8%) | 8 (34.8%) |
| Drip (n=11) | 70±18.1 | 69±17.3 | 3 (27.3%) | 1 (9.1%) |
| Control (n=32) | 68±21.7 | 66±23.7 | 7 (21.9%) | 3 (9.4%) |
*
Data are expressed as mean±SD
PTAc: average PTA after conventional treatment; PTADXM: average PTA after transtympanic DXM treatment; n 1: number with subjective improvement; n 2: number with improvement