R-IPI Adverse Factors (1 point each)
CNS IPI Additional Risk Factors
R-IPI Score
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R-IPI Category
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Estimated 4-Year OS
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Original IPI Category
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Standard Treatment Approach
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R-IPI Prognostic Reference
| R-IPI Score | Category | 4-Year OS | Recommended Approach |
|---|
| 0 | Very Good | ~94% | R-CHOP ×6 cycles |
| 1–2 | Good | ~79% | R-CHOP ×6 cycles |
| 3–5 | Poor | ~55% | R-CHOP ±dose intensification; consider clinical trial |
