| Characteristics | Low expression of PAEP | High expression of PAEP | P value |
| n | 206 | 206 |
|
| Age, n (%) |
|
| 0.112 |
| ≤70 | 124 (30.1%) | 108 (26.2%) |
|
| >70 | 82 (19.9%) | 98 (23.8%) |
|
| Gender, n (%) |
|
| 0.823 |
| Female | 53 (12.9%) | 55 (13.3%) |
|
| Male | 153 (37.1%) | 151 (36.7%) |
|
| Pathologic T stage, n (%) |
|
| 0.009 |
| T1 | 3 (0.8%) | 2 (0.5%) |
|
| T2 | 69 (18.3%) | 49 (13%) |
|
| T3 | 78 (20.6%) | 118 (31.2%) |
|
| T4 | 32 (8.5%) | 27 (7.1%) |
|
| Pathologic N stage, n (%) |
|
| 0.448 |
| N0 | 111 (30.2%) | 127 (34.5%) |
|
| N1 | 21 (5.7%) | 25 (6.8%) |
|
| N2 | 42 (11.4%) | 35 (9.5%) |
|
| N3 | 2 (0.5%) | 5 (1.4%) |
|
| Pathologic M stage, n (%) |
|
| 0.408 |
| M0 | 126 (59.4%) | 75 (35.4%) |
|
| M1 | 5 (2.4%) | 6 (2.8%) |
|
| Pathologic stage, n (%) |
|
| <0.001 |
| Stage I | 3 (0.7%) | 1 (0.2%) |
|
| Stage II | 81 (19.8%) | 48 (11.7%) |
|
| Stage III | 54 (13.2%) | 88 (21.5%) |
|
| Stage IV | 68 (16.6%) | 67 (16.3%) |
|
| Histologic grade, n (%) |
|
| <0.001 |
| High grade | 185 (45.2%) | 203 (49.6%) |
|
| Low grade | 19 (4.6%) | 2 (0.5%) |
|
| Lymphovascular invasion, n (%) |
|
| 0.861 |
| No | 64 (22.8%) | 65 (23.1%) |
|
| Yes | 77 (27.4%) | 75 (26.7%) |
|
| Subtype, n (%) |
|
| <0.001 |
| Non-Papillary | 117 (28.7%) | 156 (38.3%) |
|
| Papillary | 87 (21.4%) | 47 (11.5%) |
|