Table 3. CSS of four risk groups based on weighted scoring system.
| Risk group | Points | No. patients (N=150) |
Median CSS (months) | 95% CI | 1-year CSS rate (%) | 2-year CSS rate (%) | 3-year CSS rate (%) |
|---|---|---|---|---|---|---|---|
| Low | 0–2 | 11 | 35.0 | 20.6–49.4 | 81.8 | 72.7 | 36.4 |
| Medium | 3–5 | 49 | 16.0 | 10.5–21.5 | 69.4 | 26.5 | 8.2 |
| Medium-high | 6–8 | 81 | 9.0 | 7.7–10.3 | 33.3 | 4.9 | 1.2 |
| High | ≥9 | 9 | 5.0 | 3.6–6.4 | 11.1 | 0.0 | 0.0 |
CSS, cancer specific survival; N, number; CI, confidence interval.