Table 3.
Maxillary sinus squmous cell carcinoma: comparison of median survival based on demographics, tumor characteristics and therapy given
| Variablea | Subgroup | Median survival rate (months) | P valueb |
|---|---|---|---|
| Age | < 65 years (n = 37) | 14 | 0.765 |
| ≥ 65 years (n = 21) | 26 | ||
| Gender | Male (n = 35) | 13 | 0.673 |
| Female (n = 23) | 28 | ||
| Staging | Stage I or II: (n = 5) | - | 0.066 |
| Stage III or IV: (n = 53) | 14 | ||
| Histological grade | Low grade: (n = 4) | 15 | 0.824 |
| Moderate grade: (n = 45) | 14 | ||
| High grade: (n = 9) | 9 | ||
| Surgical margins | Free: (n = 20) | 13 | 0.154 |
| Comitted: (n = 13) | 27 | ||
| Regional metastasis | Present (n = 10) | 28 | 0.599 |
| Absent (n = 48) | 14 | ||
| Distant metastasis | Present (n = 5) | 14 | 0.505 |
| Absent (n = 53) | 15 | ||
| Local recurrence | Present (n = 10) | 27 | 0.365 |
| Absent (n = 39) | 13 | ||
| Treatment | RxT + ST (n = 22) | 26 | 0.138 |
| Other (n = 36) | 9 | ||
| Orbital invasiona | Present (n = 22) | 9 | 0.315 |
| Absent (n = 29) | 26 | ||
| Intra-cranial invasiona | Present (n = 5) | 9 | 0.110 |
| Absent (n = 46) | 26 | ||
| Pterygoid invasiona | Present (n = 14) | 20 | 0.901 |
| Absent (n = 37) | 14 |
a
Only valid information;
b
Log-rank test.