Table 3 Log-Rank test for clinicopathological factors
Parameter | DFS (%) | p value | DSS (%) | p value |
|---|---|---|---|---|
Age | 0.437 | 0.216 | ||
≥ 60 yrs | 38 | 41 | ||
< 60 yrs | 46 | 57 | ||
Gender | 0.437 | 0.520 | ||
Male | 37 | 44 | ||
Female | 41 | 53 | ||
Primary tumor site | 0.148 | 0.554 | ||
Pyriform sinus | 38 | 45 | ||
Posterior pharyngeal wall | 32 | 32 | ||
Postcricoid region | 50 | 62 | ||
Cervical metastasis | 0.301 | 0.048* | ||
Yes | 34 | 40 | ||
No | 57 | 78 | ||
Adjuvant therapy | 0.316 | 0.106 | ||
Radiation only | 39 | 54 | ||
Concurrent chemoradiation | 34 | 34 | ||
None | 59 | 71 | ||
Margin involvement | <0.001* | 0.124 | ||
Yes | 0 | 27 | ||
No | 48 | 53 | ||
Histologic differentiation | 0.399 | 0.244 | ||
Well differentiated | 57 | 68 | ||
Moderately differentiated | 36 | 43 | ||
Poorly differentiated | 32 | 30 | ||
Lymphovascular invasion | 0.426 | 0.041* | ||
Yes | 35 | 34 | ||
No | 41 | 63 | ||
Extracapsular spread | 0.025* | 0.015* | ||
Yes | 28 | 34 | ||
No | 50 | 61 | ||
Esophageal invasion | 0.197 | 0.033* | ||
Yes | 21 | 30 | ||
No | 43 | 52 |