Characteristic
|
Overall survival p-value
|
Overall survival HR (95% CI)
|
Recurrence-free survival p-value
|
Recurrence-free survival HR (95% CI)
|
---|
Chemotherapy
|
0.017
|
0.426 (0.212–0.858)
|
0.002
|
0.248 (0.103–0.596)
|
Betel quid
|
0.004
|
3.951 (1.567–9.966)
|
NS
|
NS
|
Anemia
|
0.003
|
3.1 (1.488–6.461)
|
NS
|
NS
|
Pathological T4
|
NS
|
NS
|
0.016
|
0.355 (0.153–0.826)
|
Invasion depth ≥ 11 mm
|
0.007
|
0.187 (0.055–0.632)
|
< 0.001
|
0.077 (0.02–0.303)
|
Interval between surgery and PORT
|
NS
|
NS
|
0.003
|
3.872 (1.582–9.474)
|
- Abbreviation: HR hazard ratio, CI confidence interval, PORT postoperative radiotherapy, NS not significant