Table 1.
Patient characteristics
| Clinicopathologic features | IHC staining | Real-time PCR | PR (%) | Total |
|---|---|---|---|---|
| Case no. | 102 | 93 | 195 | |
| Age(y) | ||||
| < 60 | 61 | 48 | 55.9 | 109 |
| ≥60 | 41 | 45 | 44.1 | 86 |
| Gender | ||||
| Man | 76 | 70 | 74.9 | 146 |
| Female | 26 | 23 | 25.1 | 49 |
| Tumor size(cm) | ||||
| < 5 | 57 | 58 | 59.0 | 115 |
| ≥5 | 45 | 35 | 41.0 | 80 |
| Tissue differentiation | ||||
| Well | 5 | 1 | 3.1 | 6 |
| Moderately | 56 | 56 | 57.4 | 112 |
| Poorly | 41 | 36 | 39.5 | 77 |
| Depth of invasion | ||||
| T1 + T2 | 27 | 22 | 25.1 | 49 |
| T3 + T4 | 75 | 71 | 74.9 | 146 |
| Lymph node metastasis | ||||
| No | 32 | 22 | 27.7 | 54 |
| Yes | 70 | 71 | 72.3 | 141 |
| TNM staging | ||||
| I + II | 43 | 29 | 36.9 | 72 |
| III + IV | 59 | 64 | 63.1 | 123 |
| Distant metastasis | ||||
| Yes | 13 | 8 | 10.8 | 21 |
| No | 89 | 85 | 89.2 | 174 |