Table 7.
Age-based comparison of surgical method, number of primary lesions, pathological types, and pT staging in RCC Patients
| Under 18 (N = 19) | 18–64 (N = 7049) | Over 65 (N = 2042) | χ2 | P | ||
|---|---|---|---|---|---|---|
| Surgical approach | ||||||
| Radical nephrectomy | N | 15 | 3209 | 1135 | 71.576 | 0.000 |
| Ratio/% | 78.9 | 45.5 | 55.6 | |||
| Partial nephrectomy | N | 4 | 3840 | 907 | ||
| Ratio/% | 21.1 | 54.5 | 44.4 | |||
| Primary tumor site | ||||||
| One site | N | 18 | 6895 | 2010 | 8.443 | 0.077 |
| Ratio/% | 94.7 | 97.8 | 98.4 | |||
| Two sites | N | 1 | 125 | 31 | ||
| Ratio/% | 5.3 | 1.8 | 1.5 | |||
| Multiple sites | N | 0 | 29 | 1 | ||
| Ratio/% | 0.0 | 0.4 | 0.1 | |||
| Pathological type | ||||||
| ccRCC | N | 5 | 6166 | 1808 | 132.594 | 0.000 |
| Ratio/% | 26.3 | 87.5 | 88.5 | |||
| Non-ccRCC | N | 14 | 883 | 234 | ||
| Ratio/% | 73.7 | 12.5 | 11.5 | |||
| Under 18 (N = 19) | 18–64 (N = 6970) | Over 65 (N = 2012) | χ2 | P | ||
|---|---|---|---|---|---|---|
| pT stage | ||||||
| pT1 + pT2 | N | 6 | 6041 | 1558 | 142.318 | 0.000 |
| Ratio/% | 31.6 | 86.7 | 77.4 | |||
| pT3 + pT4 | N | 13 | 929 | 454 | ||
| Ratio/% | 68.4 | 13.3 | 22.6 | |||
*RCC, renal cell carcinoma; ccRCC, clear cell renal cell carcinoma; pT, pathological T