Table 2.
Number of patients in HER2 positive and HER2 negative groups, respectively
|
HER2 positive N (%)/mean ± sd |
HER2 negative N (%)/mean ± sd |
Statistic | P | |
|---|---|---|---|---|
| Age (year) | 58.29 ± 10.391 | 60.43 ± 11.89 | − 1.587 | 0.113 |
| Sex | ||||
|
Male Female |
43 (54.4) 36 (45.6) |
2079 (62.1) 1268 (37.9) |
1.933 | 0.164 |
| T stage | ||||
|
T1 T2 T3 T4 |
7 (8.9) 9 (11.4) 52 (65.8) 11 (13.9) |
167 (5) 475 (14.2) 2197 (65.6) 508 (15.2) |
2.717 | 0.43 |
| N stage | ||||
|
N0 N1 N2 |
36 (45.6) 27 (34.2) 16 (20.3) |
1842 (55) 924 (27.6) 581 (17.4) |
2.833 | 0.243 |
| Distant metastasis | ||||
|
Yes No |
10 (12.7) 69 (87.3) |
498 (14.9) 2849 (85.1) |
0.301 | 0.583 |
| TNM stage | ||||
|
I II III IV |
10 (12.7) 23 (29.1) 36 (45.6) 10 (12.7) |
487 (14.6) 1207 (36) 1158 (34.6) 495 (14.8) |
4.132 | 0.248 |
| Vessel invasion | ||||
|
Yes No |
42 (53.2) 37 (46.8) |
1263 (37.7) 2084 (62.3) |
7.791 | 0.005 |
| Perineural invasion | ||||
|
Yes No |
32 (40.5) 47 (59.5) |
1116 (33.3) 2230 (66.7) |
1.772 | 0.183 |
| Tumor differentiation | ||||
|
High Poor–moderate |
3 (3.8) 76 (96.2) |
177 (5.3) 3170 (94.7) |
0.798 | 0.396 |