Haematology · Oncology

International Prognostic Index (IPI) calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Age >60 years

Serum LDH above laboratory ULN

ECOG performance status 2–4

Ann Arbor stage III or IV

More than 1 extranodal disease site

Result

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Clinical inputs

Age >60 years
Serum LDH above laboratory ULN
ECOG performance status 2–4
Ann Arbor stage III or IV
More than 1 extranodal disease site

Primary source

International Non-Hodgkin's Lymphoma Prognostic Factors Project. A predictive model for aggressive non-Hodgkin's lymphoma. N Engl J Med. DOI: 10.1056/NEJM199309303291402. PMID: 8141877 (1993)

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