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Table 6 Comparison of clinicopathological characteristics between duodenal and gastric GISTs

From: Clinicopathological features, surgical strategy and prognosis of duodenal gastrointestinal stromal tumors: a series of 300 patients

Characteristics Duodenum (n = 300) Stomach (n = 378) P value
Age    0.791
  ≤ 60 161 (60.3%) 224 (59.3%)  
  > 60 106 (39.7%) 154 (40.7%)  
Gender    0.826
 Male 143 (49.1%) 189 (50.0%)  
 Female 148 (50.9%) 189 (50.0%)  
Tumor size    < 0.001
  ≤ 2 cm 34 (12.3%) 126 (33.5%)  
 2–5 cm 135 (48.7%) 138 (36.7%)  
 5–10 cm 73 (26.4%) 86 (22.9%)  
  > 10 cm 35 (12.6%) 26 (6.9%)  
Mitotic index    < 0.001
  ≤ 5 181 (75.4%) 225 (61.1%)  
  > 5 59 (24.6%) 143 (38.9%)  
Morphology    0.825
 Spindle 148 (92.5%) 341 (93.9%)  
 Epithelioid 1 (0.6%) 2 (0.6%)  
 Mixed 11 (6.9%) 20 (5.5%)  
NIH risk category    < 0.001
 Very low 25 (9.7%) 105 (28.5%)  
 Low 104 (40.3%) 97 (26.3%)  
 Intermediate 2 (0.8%) 87 (23.6%)  
 High 127 (49.2%) 80 (21.7%)  
  1. GIST: gastrointestinal stromal tumor; NIH: National Institutes of Health