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Table 2 Chi-square analysis for clinicopathologic variables in patients with M1 category GEP-NENs who did or did not undergo surgery

From: Clinicopathologic characteristics and prognosis of gastroenteropancreatic neuroendocrine neoplasms: a multicenter study in South China

Variable Surgery group [cases (%)] Non-surgery group [cases (%)] P value
Total 127 131  
Gender    0.233
 Male 93 (73.2) 87 (66.4)  
 Female 34 (26.8) 44 (33.6)  
Age (years)    0.403
 ≤50 52 (40.9) 47 (35.9)  
 >50 75 (59.1) 84 (64.1)  
Tumor functionality    0.144
 Nonfunctional 112 (88.2) 107 (81.7)  
 Functional 15 (11.8) 24 (18.3)  
Tumor location    <0.001
 Stomach 39 (30.7) 29 (22.1)  
 Pancreas 33 (26.0) 70 (53.4)  
 Small intestine 17 (13.4) 8 (6.1)  
 Appendix 1 (0.8) 0 (0.0)  
 Colon 10 (7.9) 4 (3.1)  
 Rectum 27 (21.2) 20 (15.3)  
Tumor size (cm)    0.006
 <2.0 25 (19.7) 14 (10.7)  
 2.0–4.0 50 (39.4) 38 (29.0)  
 >4.0 52 (40.9) 79 (60.3)  
Grade    0.743
 G1 25 (19.7) 24 (18.3)  
 G2 46 (36.2) 43 (32.8)  
 G3 56 (44.1) 64 (48.9)  
Tumor type    0.574
 NET 70 (55.1) 65 (49.6)  
 NEC 52 (40.9) 62 (47.3)  
 MANEC 5 (3.9) 4 (3.1)  
  1. NET neuroendocrine tumor, NEC neuroendocrine carcinoma, MANEC mixed adenoneuroendocrine carcinoma