Table 2.
p53 tumor status, carcinoembryonic antigen tumor status and clinicopathological parameters n (%)
| Characteristic | p53(+) (n = 222) | CEA(+) (n = 255) |
| Age (yr) | P = 0.406 | P = 0.056 |
| < 70 | 177 (76.6) | 202 (87.4) |
| ≥ 70 | 45 (81.8) | 53 (96.4) |
| Sex, n | P = 0.804 | P = 0.227 |
| Men | 156 (77.2) | 183 (90.6) |
| Women | 66 (78.6) | 72 (85.7) |
| Tumor location | P = 0.271 | P = 0.040 |
| Proximal | 135 (79.9) | 156 (92.3) |
| Distal | 87 (74.4) | 99 (84.6) |
| Histological grade | P = 0.248 | P = 0.248 |
| High differentiation | 4 (100) | 4 (100) |
| Moderate differentiation | 48 (71.6) | 63 (94.0) |
| Low differentiation | 170 (79.1) | 188 (87.4) |
| Gloss type | P = 0.041 | P = 0.954 |
| Protrusion | 73 (69.5) | 93 (88.6) |
| Ulcer | 142 (82.1) | 155 (89.6) |
| Infiltration | 7 (87.5) | 7 (87.5) |
| Tumor size | P = 0.684 | P = 0.103 |
| < 5 cm | 70 (76.1) | 86 (93.5) |
| ≥ 5 cm | 151 (78.2) | 168 (87.0) |
| T category | P = 0.420 | P = 0.883 |
| T1 | 2 (100) | 2 (100) |
| T2 | 19 (70.4) | 25 (92.6) |
| T3 | 165 (79.7) | 184 (88.9) |
| T4 | 36 (72.0) | 44 (88.0) |
| N category | P = 0.923 | P = 0.198 |
| N0 | 54 (79.4) | 57 (83.8) |
| N1 | 38 (79.2) | 45 (93.8) |
| N2 | 50 (78.1) | 60 (93.8) |
| N3 | 80 (75.5) | 90 (87.7) |
| AJCC stage (7th) | P = 0.211 | P = 0.741 |
| IIA | 51 (76.1) | 58 (86.6) |
| IIB | 30 (81.1) | 33 (89.2) |
| IIIA | 58 (85.3) | 63 (92.6) |
| IIIB | 72 (75.0) | 86 (89.6) |
| IIIC | 11 (61.1) | 15 (83.3) |
CEA: Carcinoembryonic antigen.