Fig. 3From: Association of biomarkers with health-related quality of life and history of stressors in myalgic encephalomyelitis/chronic fatigue syndrome patientsEffects of stressors on M-wave, TBARS level, CD26 expression and quality of life scores. Data are represented by box plots with 5th and 95th percentiles. Asterisks indicate that values significantly differ from those measured in groups of patients with horizontal bar on top (*p < 0.05; **p < 0.01; ***p < 0.001)Back to article page