Results for the Parent Global Impressions - Revised, for the Arizona and National groups combined. The supplement group had greater improvements in the PGI-R Average score (p = 0.008), and in the subscores for Receptive Language (p = 0.03), Hyperactivity (p = 0.003), Tantrumming (p = 0.009), and Overall (p = 0.02). The y-axis is from -3 (much worse) to 0 (no change) to +1 (slightly better) to +2 (better) to +3 (much better).
Adams et al. BMC Pediatrics 2011 11:111 doi:10.1186/1471-2431-11-111