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