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Table 4 Prognostic factors by log-rank test and univariate survival analysis a in present study

From: Salvage concurrent radio-chemotherapy for post-operative local recurrence of squamous-cell esophageal cancer

Factors Group Number Median OSb (months) Log-rank test Univariate analysis
     p value p value
Age < 60 years 16 14.3 0.042 0.048
60 years 34 11.9
Gender Male 42 15.0 0.365 0.334
Female 8 10.6
Staging after surgery I/II 17 17.2 0.355 0.359
III/IV 33 13.8
Chemotherapy regimen TP 28 16.3 0.012 0.025
FP 22 9.8
Response to treatment CR/PR 40 15.0 0.071 0.072
SD 10 12.8
Irradiation dose 60 Gy 29 16.3 0.040 0.041
< 60 Gy 21 11.5
  1. a: Cox's proportional hazards regression model; b: Overall survival.