HaemHaematology
International Prognostic Index (Lymphoma)
Predicts prognosis in diffuse large B-cell lymphoma (DLBCL). 5 risk factors scored 0-5.
Age >60 years
Serum LDH > normal
ECOG performance status ≥2
Ann Arbor stage III or IV
>1 extranodal site involved
0
Low Riskpts/ 5
Low risk — 5-year OS approximately 73%
Reference: NEJM 1993
Medical Disclaimer: This calculator is a clinical decision support tool for qualified healthcare professionals. It does not replace clinical judgement. Always interpret results in the full clinical context. Reference: NEJM 1993.