| No. | AC | 5-year (%) | OS | P |
RFS | P | ||||
High risk group | 68 | 38.5 | <0.001 | 41.9 | <0.001 |
Intermediate risk group | 112 | 74.2 | Â | 77.4 | Â |
Low risk group | 60 | 79.1 | Â | 80.8 | Â |
 |  | ASC | 5-year (%) |  |  |
 | No. | RFS | P | OS | P |
High risk group | 35 | 44.6 | <0.001 | 47.8 | <0.001 |
Intermediate risk group | 65 | 81.2 | Â | 83.7 | Â |
Low risk group | 30 | 83.9 | Â | 85.4 | Â |