Table 1.
Patient Information for Samples Used in Quantitative RT-PCR (qRT-PCR) and Immunohistochemistry (IHC) Assays
| Parameters | qRT-PCR (90 Pairs) | IHC (182 Cases) |
||
|---|---|---|---|---|
| Cases | Survival Rate of 5 Years, % | p Valuea | ||
| Age, y | ||||
| <58 | 49 | 85 | 52.1 | 0.088 |
| ≥58 | 41 | 97 | 37.5 | |
| Sex | ||||
| Male | 67 | 135 | 46.3 | 0.629 |
| Female | 23 | 47 | 37.0 | |
| Grade of differentiation | ||||
| Well | 22 | 54 | 50.3 | 0.570 |
| Moderate | 56 | 107 | 45.3 | |
| Poor | 12 | 21 | 27.3 | |
| Depth of tumor invasion | ||||
| T1 and T2 | — | 10 | 47.3 | 0.661 |
| T3 | 24 | 171 | 43.8 | |
| T4 | 66 | 1 | — | |
| Lymph node metastases | ||||
| N0 | 56 | 99 | 60.8 | 0.00002 |
| N1 | 23 | 67 | 24.8 | |
| N2 and N3 | 11 | 16 | 0.00 | |
| pTNM stages | ||||
| I and IIa | 31 | 42 | 60.7 | 0.001a |
| IIb | 30 | 62 | 56.8 | |
| III | 29 | 78 | 22.2 | |
The long dashes in the table indicate that no statistics were computed because only one case was involved.
a
Log-rank test of Kaplan-Meier method; p<0.05 was considered significant.