Table 2 Predicted and observed 5-year overall survival rates of the different subgroups of patients
Group | No. of patients (%) | No. of deaths | 5-year overall survival rate (%) | P* | ||
|---|---|---|---|---|---|---|
Predicted (%, SE) | Observed (%, SE) | Predicted-observed (%, 95% CI) | ||||
Overall | 535 (100.0) | 74 | 78.46 (0.54) | 87.29 (1.53) | − 8.82 (− 9.88 to − 7.77) | < 0.001 |
Low-risk (< 135) | 231 (43.2) | 16 | 88.04 (0.17) | 94.92 (1.50) | − 6.88 (− 7.22 to − 6.53) | < 0.001 |
Intermediate-risk (135–160) | 165 (30.8) | 25 | 79.38 (0.24) | 86.72 (2.80) | − 7.34 (− 7.81 to − 6.87) | < 0.001 |
High-risk (≥ 160) | 139 (26.0) | 33 | 61.46 (0.97) | 75.02 (3.99) | − 13.56 (− 15.48 to − 11.63) | < 0.001 |