Table 3.
Prognostic Groups for Overall Survival (OS)
| Group | Description | 5-year OS (95% confidence interval) |
|---|---|---|
| Group I | ≤41 years old, no lung metastases | 96% (94%, 99%) |
| Group II | 42–57 years old, no lung metastases or |
84% (81%, 87%) |
| ≤39 years old, with lung metastases or | ||
| 58–72 years old, tumor ≤4 cm, no lung metastases | ||
| Group III | 40–57 years old, with lung metastases or |
57% (53%, 61%) |
| 58–72 years old, tumor ≤4 cm, with lung metastases or | ||
| 58–72 years old, tumor >4 cm, no lung metastases or | ||
| ≥73 years old, tumor ≤4 cm | ||
| Group IV | 58–72 years old, tumor >4 cm, with lung metastases or |
31% (26%, 37%) |
| ≥73 years old, tumor >4 cm |