Table 8.
Comparison of the composition ratio of the number of primary lesions and pT staging in patients undergoing surgery for different pathological types of RCC
| ccRCC (N = 7979) | non-ccRCC (N = 1131) | χ2 | P | ||
|---|---|---|---|---|---|
| Primary tumor site | |||||
| One site | N | 7818 | 1105 | 5.742 | 0.057 |
| Ratio/% | 98.0 | 97.7 | |||
| Two sites | N | 139 | 18 | ||
| Ratio/% | 1.7 | 1.6 | |||
| Multiple sites | N | 22 | 8 | ||
| Ratio/% | 0.3 | 0.7 | |||
| ccRCC (N = 7901) | non-ccRCC (N = 1100) | χ2 | P | ||
|---|---|---|---|---|---|
| pT stage | |||||
| pT1 + pT2 | N | 6718 | 887 | 13.873 | 0.000 |
| Ratio/% | 85.0 | 80.6 | |||
| pT3 + pT4 | N | 1183 | 213 | ||
| Ratio/% | 15.0 | 19.4 | |||
*RCC, renal cell carcinoma; ccRCC, clear cell renal cell carcinoma; pT, pathological T