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. 2017 Feb 6;12(2):e0171524. doi: 10.1371/journal.pone.0171524

Fig 1. CSF levels of homovanillic acid (HVA) and 5-hydroxyindole acetic acid (5-HIAA).

Fig 1

5-HIAA levels in the pathologically advanced Lewy body disorder (LBD) group (Braak LB stages ≥3) decreased significantly compared with those in the pathologically incipient LBD groups (Braak LB stages ≤2), as assessed with Student’s t test. Error bars represent the standard deviations and the bottom, middle, and top lines of the box represent the 25th, 50th (median), and 75th percentiles, respectively. *, p < .05.