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Table 3 Time to relapse by Kaplan-Meier analysis

From: Histone demethylase GASC1 - a potential prognostic and predictive marker in invasive breast cancer

Variable n Means of survival time (years) / n p-value, Log Rank
   GASC1 negative GASC1 positive  
Overall 355 12.9/198 14.8/157 0.034 (0.005B, 0.010T-W)
Age     
 <=55 172 12.9/107 14.9/65 0.168
 >55 183 12.9/ 91 14.5/92 0.098, (0.035 B, 0.052 T-W)
Tumor size     
 T1 168 14.8/ 92 15.6/76 0.331
 T2+T3+T4 187 11.1/106 13.9/81 0.040 (0.013B, 0.018 T-W)
Nodal status     
 negative 193 15.5/111 16.6/82 0.135
 positive 162 9.1/ 87 12.8/75 0.013 (0.002B, 0.004 T-W)
Clinical stage     
 I 120 16.2/ 66 16.5/ 54 0.580
 II+III+IV 230 11.1/130 14.0/100 0.014 (0.003 B, 0.005 T-W)
  1. p-value for test of equality of survival distributions for the different levels of GASC1, B: Breslow (Generalized Wilcoxon),T-W: Tarone –Ware, n – number of cases.