Table 2. Demographics and Clinical Characteristics of Patients in the International Cohort.
| Variable | No. of patients | % | |
|---|---|---|---|
| Median age, y | 55 (20-91) | 99 | 100 |
| Gender | Male Female |
44 55 |
44 55 |
| Treatment | Surgery Surgery + RT/ChRT ChRT |
28 47 24 |
28 47 24 |
| Site | Maxillary sinus Nasal cavity Sphenoid/ethmoid sinus Nasopharynx Unspecified |
63 10 4 2 20 |
63 10 4 2 20 |
| T classification | 1-2 3-4 |
31 68 |
31 68 |
| N classification | N0 N+ |
86 13 |
86 13 |
| Perineural invasion | Present Absent |
51 48 |
51 48 |
| Surgical margins | Positive Negative |
43 56 |
43 56 |
| Follow-up (months) | Median (range) | 41 (2-240) | 100 |
Abbreviations: ChRT, chemoradiation therapy; RT, radiotherapy.