Which risk factors for NHL/B-cell lymphoma are included in the International Prognostic Index (IPI)?

Updated: Feb 23, 2021
  • Author: Mohammad Muhsin Chisti, MD, FACP; Chief Editor: Emmanuel C Besa, MD  more...
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The IPI includes the following risk factors (for each factor that is present, the patient receives 1 point) [9] :

  • 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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