What is the Pignatti Prognostic Factor Score for your Low Grade Glioma patient?

Instructions: Enter the details below for a specific patient with Low Grade Glioma, and this calculator will return the Pignatti Prognostic Factor score.

Yes No


Yes No

Tumor crossing midline??

Yes No


Yes No

Neuro deficits, preop?

Yes No

LGG Score:


Median Survival:




Pignatti F, Van Den Bent MJ, Curran D. Prognostic factors for survival in adult patients with cerebral low-grade glioma. Clin Oncol. 2002;20:2076–84. doi: 10.1200/JCO.2002.08.121.

Validated by Daniels TB, Brown PD, Felten SJ. Validation of EORTC prognostic factors for adults with low-grade glioma: a report using intergroup 86-72–51. Int J Radiat Oncol Biol Phys. 2011;81:218–24. doi: 10.1016/j.ijrobp.2010.05.003

The low risk group had
significantly better median OS (10.8 vs. 3.9 yrs:
p<.0001) and PFS (6.2 vs. 1.9 yrs: p<.0001) than the
high risk group.

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