[Retracted] Clinicopathological Characteristics of Nonfunctional Pancreatic Neuroendocrine Neoplasms and the Effect of Surgical Treatment on the Prognosis of Patients with Liver Metastases: A Study Based on the SEER Database
Table 3
Demographic and clinical characteristics of NF-pNEN patients with liver metastasis versus no metastasis from 2000 to 2017 in the SEER database.
Characteristics
Liver metastasis number of patients (%) ()
No metastasis number of patients (%) ()
value
value
Age (years)
1.050
0.306
≤60
266 (50.3)
1155 (47.8)
>60
263 (49.7)
1260 (52.2)
Sex
3.304
0.069
Male
311 (58.8)
1315 (54.5)
Female
218 (41.2)
1100 (45.5)
Race
0.933
0.627
White
425 (80.3)
1899 (78.6)
Black
57 (10.8)
271 (11.2)
Others
47 (8.9)
245 (10.1)
Primary site
35.397
<0.001
Head
161 (30.4)
702 (29.1)
Body
46 (8.7)
408 (16.9)
Tail
211 (39.9)
905 (37.5)
Islet
3 (0.6)
14 (0.6)
Others
12 (2.3)
80 (3.3)
Overlapping
54 (10.2)
138 (5.7)
NOS
42 (7.9)
168 (7.0)
Grade
255.107
<0.001
G1
245 (46.3)
1859 (77.0)
G2
140 (26.5)
430 (17.8)
G3
94 (17.8)
106 (4.4)
G4
38 (7.2)
32 (1.3)
Tumor size (mm)
60.744
<0.001
0-20
42 (7.9)
1094 (45.3)
21-40
177 (33.5)
753 (31.2)
≥40
310 (58.6)
568 (23.5)
NOS: not otherwise specified. was considered statistically significant.
