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Maximum Likelihood Estimation of Overall Survival According to Simplified Prognostic Score Distribution in the Development Cohort
| SPS | β Coefficient | Hazard Ratio | 95% CI | p Values |
|---|---|---|---|---|
| Group I | — | 1 | — | — |
| Group II | 1.09 | 2.96 | 2.24–3.92 | <10–4 |
| Group III | 2.15 | 8.58 | 6.00–12.25 | <10–4 |
CI, confidence interval; SPS, simplified prognostic score.
Group I: good prognosis (score 0 or 0.5); group II: intermediate prognosis (scores 1, 1.5, or 2); group III: poor prognosis (2.5 or 3).
