Table 4.
Clinicopathologic correlation of TPI-1 expression in FFPE samples.
| Variable | TPI-1 IHC | p Value | |||
|---|---|---|---|---|---|
| 0-1 | 2-3 | ||||
| N | % | N | % | ||
| Age (yrs) | |||||
| ≤50 | 2 | 8.0 | 13 | 52.0 | 0.450 |
| >50 | 0 | 0.0 | 10 | 40.0 | |
| Sex | |||||
| Male | 1 | 4.0 | 13 | 52.0 | 1.000 |
| Female | 1 | 4.0 | 10 | 40.0 | |
| Tumor size (cm) | |||||
| <4 | 0 | 0.0 | 4 | 16.0 | 1.000 |
| 4-7 | 0 | 0.0 | 14 | 56.0 | |
| >7 | 0 | 0.0 | 7 | 28.0 | |
| Histology | |||||
| Clear Cell | 1 | 4.0 | 18 | 72.0 | <0.001 |
| Papillary | 1 | 4.0 | 1 | 4.0 | |
| Chromophobe | 3 | 12.0 | 0 | 0.0 | |
| Oncocytoma | 1 | 4.0 | 0 | 0.0 | |
| Furhman grade | |||||
| 1-2 | 0 | 0.0 | 8 | 33.0 | 0.536 |
| 3-4 | 2 | 8.0 | 14 | 58.0 | |
| T category | |||||
| T1-T2 | 0 | 0.0 | 18 | 75.0 | 0.054 |
| T3-T4 | 2 | 8.0 | 4 | 17.0 | |
| N category | |||||
| N0 | 3 | 12.0 | 18 | 72.0 | 0.166 |
| N1 | 2 | 8.0 | 2 | 8.0 | |
| M category | |||||
| M0 | 5 | 20.0 | 7 | 28.0 | 0.695 |
| M1 | 7 | 28.0 | 6 | 24.0 | |
| TNM stage | |||||
| I-II | 2 | 8.0 | 9 | 38.0 | 0.210 |
| III-IV | 6 | 25.0 | 7 | 29.0 | |