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Hematology · Oncology

International Prognostic Index (IPI) calculator

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

Clinical inputs

Result

Complete all required inputs to calculate the score.

Formula 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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