Table 3.
Correlation between clinicopathological factors and HER2 gene status.
| Parameter | HER2 gene status | p value | ||
| Number of amplified cases | Number of nonamplified cases | |||
|
| ||||
| Median age (years) | 73 ± 11.13 | 67 ± 15.32 | 0.57 | |
|
| ||||
| Gender | Male | 7 | 59 | 0.72 |
| Female | 4 | 23 | ||
|
| ||||
| Localization | Proximal stomach | 5 | 38 | 1.00 |
| Distal stomach | 6 | 44 | ||
|
| ||||
| Histological grade | G1 | 3 | 1 | <0.001 |
| G2 | 7 | 32 | ||
| G3 | 1 | 49 | ||
|
| ||||
| pT stage | pT1-2 | 1 | 13 | 0.64 |
| pT3 | 4 | 20 | ||
| pT4 | 6 | 49 | ||
|
| ||||
| pN stage | pN0 | 3 | 18 | 0.71 |
| pN1-3 | 8 | 64 | ||
|
| ||||
| pM stage | pM0 | 9 | 67 | 1.00 |
| pM1 | 2 | 15 | ||
|
| ||||
| Dukes-MAC-like stage | A1 (T1N0) + B1 (T2N0) + C1 (T3N0) | 3 | 14 | 0.58 |
| A2 (T1N1-3) + C2 (T3N1-3) | 3 | 18 | ||
| D (T4N0-3) | 5 | 50 | ||
|
| ||||
| Lymphovascular invasion | Present | 9 | 51 | 0.32 |
| Absent | 2 | 31 | ||