Table 4. Detection rates of RCC local advance or distant metastasis by location and clinic stage.
| Group | Number of local advance or distant metastasis (%) | x 2 | p | |
|---|---|---|---|---|
| Yes | No | |||
| Location | ||||
| Left | 62 (5.5) | 1061 (94.5) | 4.923 | 0.027 |
| Right | 36 (3.5) | 987 (96.5) | ||
| Total | 98 (4.6) | 2048 (95.4) | ||
| Clinical stage | ||||
| T1a | 16 (2.4) | 648 (97.6) | 23.952 | 0.000 |
| T1b | 13 (2.7) | 466 (97.3) | ||
| T2a | 15 (9.7) | 140 (90.3) | ||
| T2b | 6 (7.8) | 71 (92.2) | ||
| Total | 50 (3.6) | 1325 (96.4) | ||
Note: Because the location was missing for some cases with recorded clinical stage data, some groups have been combined.