Parameter No MEE throughout the study period (n=41) Post radiation MEE (n=18) P Value
Age (Years) 55.37 59.21 0.29
Sex – Male n(%) 29 (70.7%) 12 (66.7%) 0.77
Advanced T Stage 3-4 n(%) 27 (65.9%) 11 (61.1%) 0.73
Smoker n(%) 17 (41.5%) 8 (44.4%) 0.83
Radiation Treatment - IMRT n(%)*** 29 (70.7%) 13 (72.2%) 0.91
WHO Classification 0.17
Type 1
2 (4.9%)
0 (0%)
Type 2
22 (53.7%)
6 (33.3%)
Type 3
17 (41.5%)
12 (66.7%)
EBV n(%) 21 (51.2%) 9 (50%) 0.93
PTV (Gy) 64.79 64.07 0.99
GTV (Gy) 68.13 66.6 0.94
CTV (Gy) 65.09 64.84 0.78
Middle Ear (Gy) 42.61 45.83 0.58
Tensor Veli Palatini (Gy) 63.7 62.5 0.81
Levator Veli Palatini (Gy) 64.26 63.54 0.52
Eustachian Tube (Gy) 48.5 51.94 0.37