Table 1 Patient demographics and breakdown based on tumor grade from SHPCI
From: Value of lymphadenectomy in patients with surgically resected pancreatic neuroendocrine tumors
Characteristic | Patient number (n) | Tumor grade: 1 | P | Patient number (n) | Tumor grade: 2/3 | P | ||
|---|---|---|---|---|---|---|---|---|
LNM negative (n = 89) | LNM positive (n = 7) | LNM negative (n = 81) | LNM positive (n = 29) | |||||
Age (years) | ||||||||
 < 60 | 73 | 67 | 6 | 0.871 | 70 | 52 | 18 | 0.838 |
 ≥ 60 | 23 | 22 | 1 | 40 | 29 | 11 | ||
Sex | ||||||||
 Female | 45 | 42 | 3 | 1.000 | 41 | 30 | 11 | 0.932 |
 Male | 51 | 47 | 4 | 69 | 51 | 18 | ||
Grade | ||||||||
 2 | – |  |  |  | 98 | 77 | 21 | 0.003 |
 3 | – |  |  |  | 12 | 4 | 8 | |
Stage | ||||||||
 I | 38 | 38 | 0 | n.a | 15 | 15 | 0 | n.a |
 II | 51 | 51 | 0 | 65 | 65 | 0 | ||
 III | 7 | 0 | 7 | 30 | 1 | 29 | ||
 IV | 0 | – | – | 0 | – | – | ||
Tumor location | ||||||||
 Head | 37 | 34 | 3 | 0.056 | 50 | 36 | 14 | 0.229 |
 Body/ Tail | 57 | 54 | 3 | 57 | 44 | 13 | ||
 Others | 2 | 1 | 1 | 3 | 1 | 2 | ||
Size | ||||||||
 1–4 cm | 72 | 68 | 4 | 0.497 | 57 | 45 | 12 | 0.190 |
 > 4 cm | 24 | 21 | 3 | 53 | 36 | 17 | ||
Functional status | ||||||||
 Nonfunctional | 84 | 78 | 6 | 1.000 | 100 | 72 | 28 | 0.392 |
 Functional | 12 | 11 | 1 | 10 | 9 | 1 | ||