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Table 2 Characteristics of 60 patients with primary resectable GISTs

From: Prognostic criteria in patients with gastrointestinal stromal tumors: a single center experience retrospective analysis

Clinicopathological feature n (total = 60) Recurrence events (n = 6) univariate analysis P value
Follow up period (years)    
   median (range) 2.8 (0.1-11.8)   
Sex    
   Female 29 2  
   Male 31 4 0.465
Age (years)    
   median (range) 63 (18-83)   
    63 31 5  
   > 63 29 1 0.211
Tumor location(%)    
   Stomach 48 (80) 3  
   Others 12 (20) 3 0.51
Tumor size (cm)    
   median (range) 3.8 (1.6-20)   
    5 43 1  
   > 5 17 5 0.002
Mitotic index*    
   < 5 39 0  
    5 21 6 0.002
Resection margin    
   R0 51 4  
   R1 9 2 0.156
NIH criteria (%)    
   Very low & Low 34 (56.6) 0  
   Intermediate 13 (21.7) 0  
   High 13 (21.7) 6  
AFIP criteria (%)    
   Unknown 3 (5.0) 0  
   Very low & Low 35 (58.3) 0  
   Moderate 13 (21.7) 0  
   High 9 (15) 6  
  1. *Mitotic index = number of mitoses per 50 high-power fields.
  2. NIH the National Institutes of Health
  3. AFIP the Armed Forces Institute of Pathology
  4. Detailed clinicopathological features of the patients with primary GISTs and the results of univariate analysis.