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International Prognostic Index (IPI)
Clinical Context & Background
The International Prognostic Index (IPI) was developed to predict the prognosis of patients with aggressive non-Hodgkin lymphoma, specifically Diffuse Large B-Cell Lymphoma (DLBCL). It is calculated based on five adverse prognostic factors.
Formula Logic
Sum of risk factors (Age, Stage, LDH, PS, Extranodal).Reference Data
| Risk Group | Score | 5-Year Overall Survival |
|---|---|---|
| Low Risk | 0 - 1 | 73% |
| Low-Intermediate | 2 | 51% |
| High-Intermediate | 3 | 43% |
| High Risk | 4 - 5 | 26% |
Evidence-based oncology decision support. Verify with clinical guidelines.