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Table 3 Comparison of clinicopathologic parameters between GISTs and PASTs

From: Clinicopathological characteristics and prognosis of primary appendiceal stromal tumors

Characteristics Appendix (N = 24) Gastric (N = 254) P
Age (year)    0.697
 < 59 11.00 106  
 ≥ 59 13.00 148  
Sex    0.335
 Male 14.00 122  
 Female 10.00 132  
Tumor size (cm)    0.000
 ≤ 2 11.00 31  
 2.1–5.0 1.00 90  
 5.1–10 8.00 88  
 > 10 4.00 43  
Censored 0.00 2  
Histologic type    0.013
 Spindle 21.00 232  
 Epithelioid 2.00 20  
 Mixed 1.00 0  
 Censored 0.00 2  
Mitotic index (%)    0.111
 ≤ 5 20.00 158  
 > 5 4.00 89  
 Censored 0.00 7  
CD117    0.556
 + 23.00 226  
 − 1.00 24  
 Undetected 0.00 4  
CD34    
 + 15.00 236  
 − 4.00 12 0.000
 Undetected 5.00 6  
DOG-1    0.000
 + 3.00 182  
 − 2.00 29  
 Undetected 19.00 43  
Ulceration    0.008
 Yes 1.00 74  
 No 23.00 164  
 Censored 0.00 16  
NIH risk category    0.000
 VLR 11.00 24  
 VL 2.00 66  
 IR 4.00 75  
 HR 7.00 88  
 Censored 0.00 1