Demographic and clinical variables.

<p>IQR: interquartile range.</p><p>CED: chlorpromazine equivalent dose.</p><p>MRS: Modified Roger's Scale.</p><p>PANSS: Positive and Negative Syndrome Scale.</p><p>PANSS positive: positive symptoms subscale.</p><p>PANSS negative: negative symptoms subscale.</p><p>PANSS total: total score (i.e., sum of all subscales).</p>1)<p>Test of the null hypothesis that groups do not differ.</p>2)<p>Wilcoxon rank-sum test, two-sided.</p>3)<p> test.