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Changes from baseline in Positive and Negative Symptoms Scale (PANSS) scores determined using mixed effects repeated measures model analysis (adjusted for baseline). (a) PANSS total score. (b) PANSS-positive score. (c) PANSS-negative score. (d) PANSS general score. Data show predicted means and s.e. at each weak. Statistical significance is calculated between groups (†P⩽0.05, ††P⩽0.01 and †††P⩽0.001) and vs baseline (that is, 0; *CBD, #AMI; ***/###P⩽0.05, **/##P⩽0.01, */#P⩽0.001).
