Table 1.
Distribution of analyzed clinicopathologic features and outcome of type 1 and type 2 PRCC
| Characteristics | Type 1 | Type 2 | P value | |
|---|---|---|---|---|
| No. of patients | 6 | 7 | ||
| Age of patients | Mean ± SD | 61.5 ± 11.8 | 47.4 ± 13.7 | 0.075 |
| Range | 48-74 | 26-63 | ||
| Sex of patients | Male | 3 | 4 | |
| Female | 3 | 3 | 0.617 | |
| Metastasis | Positive | 0 | 1 | 0.538 |
| Tumor size (cm) | Mean ± SD | 6.92 ± 3.06 | 7.27 ± 3.10 | 0.840 |
| Range | 3.5-11 | 3.9-13 | ||
| Fuhrman grade | Low (1-2) | 6 | 2 | |
| High (3) | 0 | 5 | 0.049 | |
| Lymphovascular invasion | Negative | 6 | 3 | |
| Positive | 0 | 4 | 0.049 | |
| stage | I-II | 6 | 4 | |
| III -IV | 0 | 3 | 0.122 | |
| Outcome | Dead | 5 (5/6) |
P value: type 1 PRCC vs. type 2 PRCC; Fisher’s exact test.