What are the International Prognostic Index (IPI) risk factors in non-Hodgkin lymphoma (NHL)?

Updated: Jun 12, 2019
  • Author: Priyank P Patel, MD; Chief Editor: Emmanuel C Besa, MD  more...
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The IPI includes the following risk factors [8] :

  • Age ≥ 60 y
  • Elevated lactate dehydrogenase (LDH) level
  • Stage III or IV disease
  • Eastern Cooperative Oncology Group (ECOG) performance status ≥2
  • Two or more extranodal sites

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