Subjective, but not objective, language functions predict fatigue in patients with lower-grade gliomas during longitudinal follow-up.

Purpose: To investigate the course of fatigue, subjective and objective language functions in patients with lower-grade gliomas during the first year of disease. Further, to examine if subjective and objective language variables predicted ratings of fatigue.

Methods: Fatigue was assessed with the Fatigue Severity Scale, subjective language with self-reported word-finding, expression of thoughts, reading and writing from the Functional Assessment of Cancer Therapy - Brain, and objective language with standardized tests.