Table 1.

Patient characteristics (Total 134 individual ears, 68 patients)

Characteristics	Value (68 patients)
Age (18-70 years old)	Median 47.5 years old
≤ 50	44 (65%)
> 50	24 (35%)
Co-morbidities (patients)
DM and/or Hypertension	14 (20.6%)
No co-morbidities	54 (79.4%)
Pre RT otitis media (ears)
Yes	34 (25.4%)
No	71 (53%)
No data	29 (21.6%)
Post RT otitis media (ears)
Yes	31 (23.1%)
No	93 (69.4%)
No data	10 (7.5%)
Tumor stage
I/II	15 (22.1%)
III/IV	53 (77.9%)
Pathology (WHO 2005)
WHO type 1 (SCC, keratinized)	24 (35.2%)
WHO type 2 (SCC, non-keratinized)	4 (5.9%)
WHO type 2.2 (Undifferentiated)	38 (55.9%)
Others	2 (3%)