Table 2.
Univariate analysis of endoscopic biopsy and morphological characteristics in the primary cohort.
| Characteristics | HER2 negative (n = 114) | HER2 positive (n = 23) | p |
|---|---|---|---|
| Endoscopic biopsy | |||
| Differentiation degree | 0.063 | ||
| Poor | 82 | 12 | |
| Moderate and well | 32 | 11 | |
| Morphological characteristics | |||
| Infiltrative growth | 0.092 | ||
| Absent | 68 | 18 | |
| Present | 46 | 5 | |
| Ulceration | 0.226 | ||
| Absent | 45 | 6 | |
| Present | 69 | 17 | |
| Adjacent adipose tissue stains | 0.446 | ||
| Absent | 74 | 13 | |
| Present | 40 | 10 | |
| Mucosal line status | 0.174 | ||
| Interruption | 47 | 6 | |
| Thickening | 67 | 17 | |
| Morphological type | 0.013* | ||
| Thickening type | 33 | 1 | |
| Mass type | 81 | 22 | |
| Linitis plastica | 0.351 | ||
| Absent | 106 | 23 | |
| Present | 8 | 0 | |
| Lymphadenectasis | 0.051 | ||
| Absent | 100 | 16 | |
| Present | 14 | 7 | |
HER2 human epidermal growth factor receptor 2; *p < 0.05 with chi-square test or Fisher's exact test (n < 5).