Fig. 1From: Evaluation of plasma brain-derived neurotrophic factor levels and self-perceived cognitive impairment post-chemotherapy: a longitudinal studyTrajectory of plasma BDNF levels over time (n = 51). a Classified based on the entire patient pool; b classified based on overall cognition status; c classified based on BDNF rs6265 genotypes; d the Friedman test was used to evaluate changes in the plasma BDNF levels over time, e Post-hoc analysis was conducted using the Wilcoxon signed rank test for pair-wise comparisons. * P values are significant if they are less than 0.0167Back to article page