Table 4 Clinicopathological characteristics of the two N-category / N-ratio groups determined
Variable | Group 1 (N1-NR1a N2-NR1) | Group 2 (N1-NR1b N2-NR2 and NR3) | P |
|---|---|---|---|
Gender | |||
Male | 10 | 25 | 0.077 |
Female | 15 | 15 | |
Age | |||
Mean | 60,1 | 64,2 | 0.249 |
Gastrectomy | |||
Total | 14 | 23 | 0.905 |
Subtotal | 11 | 17 | |
Extended resection | |||
Yes | 21 | 32 | 0.477 |
No | 4 | 8 | |
No. of dissected nodes | |||
Median | 40 (23–69) | 28 (10–50) | <0.001 |
Location | |||
Cardia | 1 | 9 | 0.130 |
Body | 11 | 15 | |
Antrum | 13 | 16 | |
Lauren histology | |||
Intestinal | 12 | 21 | 0.724 |
Diffuse | 13 | 19 | |
Lymphatic vessel invasion | |||
Yes | 9 | 16 | 0.747 |
No | 16 | 24 | |
Perineural invasion | |||
Yes | 12 | 15 | 0.403 |
No | 13 | 25 | |
T category | |||
T1 | 5 | 2 | 0.286 |
T2 | 4 | 8 | |
T3 | 3 | 3 | |
T4a | 11 | 25 | |
T4b | 2 | 2 | |