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Table 1 Prognostic factors by univariate and multivariate analysis

From: TERT promoter mutations are a rare event in gastrointestinal stromal tumors

Factor DFS OS
Number of Univariate analysis Multivariate analysis (Cox regression) Univariate analysis Multivariate analysis (Cox regression)
cases log-rank test p value Hazard ratio (95 % CI) p value log-rank test p value Hazard ratio (95 % CI) p value
Age  
 ≥60 51 0.278    0.152   
 <60 41       
Age        
 ≥65 39 0.070    0.092   
 < 65 53       
Sex        
 F 38 0.436    0.571   
 M 54       
Site        
 Stomach 66 0.068    0.035 a a
 Others 26       
Size        
 >5 cm 40 <0.001 14.02 (1.764−111.4) 0.013 0.005 4.488 (0.501−40.229) 0.180
 ≤5 cm 52       
Necrosis        
 + 29 0.013 a a 0.067   
 – 63       
Mitosis        
 >6 30 <0.001 5.644 (1.563−20.37) 0.008 0.001 7.531 (0.830−68.332) 0.073
 ≤5 62       
Risk Classification        
 Very low or low 45 <0.001 a a 0.028 a a
 Int or high 47       
  1. aThese factors were not selected in multivariate analysis