Table 5 Performance characteristics of the 44-gene expression signature in two test sets
| Â | Test Set 1 | Test Set 2 | ||||
|---|---|---|---|---|---|---|
| Â | n | Sensitivity | Specificity | n | Sensitivity | Specificity |
Normal | 129 | 94.6% | 100.0% | 8 | 100.0% | 98.3% |
ccRCC | 534 | 94.2% | 95.7% | 26 | 96.2% | 96.1% |
chRCC | 66 | 90.9% | 97.8% | 40 | 92.5% | 97.8% |
pRCC | 291 | 92.1% | 97.8% | 28 | 89.3% | 99.0% |
Oncocytoma | / | / | / | 27 | 92.6% | 98.2% |
Total | 1020 | Overall accuracy = 93.4% | 129 | Overall accuracy = 93.0% | ||