Table 3

Univariate log-rank analyses

ParametersCategoryNo of casesDSSMEFSLRFS
No of eventsp ValueNo of eventsp ValueNo of eventsp Value
GenderMale26120.848490.432260.5228
Female82383422
Age (years)<6089440.2502390.1282230.9133
≥6019645
Primary tumour (T)T1–T264240.0611180.0054*130.0539
T3–T444262515
Nodal status (N)N0–N142120.0019*130.0369*70.0212*
N2–N366383021
StageI–II2560.0211*60.050920.0112*
II–IV83443726
Histological gradeKeratinised/non-keratinised52190.0570160.0510150.8452
Undifferentiated56312713
Rsf1Low expression (0+∼2+)5913<0.0001*14<0.0001*7<0.0001*
Overexpression (3+∼4+)49372921
Therapeutic response (n=101)Partial response750.100760.0045*10.9578
Complete response94443626
  • * Statistically significant.

  • DSS, disease-specific survival; LRFS, local recurrence-free survival; MFS, metastasis-free survival.

  • The bold type is used to highlight the p-value with statistical significance.