Fig. 2From: Medication overuse headache is associated with elevated lipopolysaccharide binding protein and pro-inflammatory molecules in the bloodstreamBehavioral results of female Sprague Dawley rats exposed to chronic piroxicam (MOH) or vehicle (Control). Compared to the control group, A the total duration of grooming, B total duration of freezing and C the number of head shakes were significantly higher in MOH group. Data were shown as mean ± SEM. Normality of data was evaluated with the Kolmogorov–Smirnov test. Statistical analysis was performed with Mann–Whitney’s U testBack to article page