Risk stratification system | n | Ratio(%) | N of death | Survival rate(%) |
---|---|---|---|---|
SIOPEL collaboration groups | ||||
Standard-risk group | 261 | 68.3 | 28 | 90.4 |
High-risk group | 121 | 31.7 | 51 | 57.9 |
COG collaboration groups | ||||
Extremely low risk group | 10 | 2.6 | 0 | 100 |
Low risk group | 86 | 22.5 | 3 | 96.5 |
Moderate risk group | 114 | 29.9 | 17 | 85.1 |
High risk group | 172 | 45.0 | 59 | 65.7 |
New risk stratification system | ||||
Low risk group | 138 | 36.1 | 5 | 96.4 |
Moderate risk group | 163 | 42.7 | 25 | 84.7 |
High risk group | 81 | 21.2 | 49 | 39.5 |