Comparison 1. HALOPERIDOL versus OLANZAPINE.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Aggression: average scores (Modified Overt Aggression Scale (MOAS), high=poor, data skewed)			Other data	No numeric data
1.1 total			Other data	No numeric data
1.2 aggression ‐ physical			Other data	No numeric data
1.3 aggression ‐ against property			Other data	No numeric data
1.4 aggression ‐ verbal			Other data	No numeric data
2 Mental state: average change score (Positive and Negative Syndrome Scale (PANSS), positive=improvement, data skewed)			Other data	No numeric data
2.1 general psychopathology			Other data	No numeric data
2.2 negative symptoms			Other data	No numeric data
2.3 positive symptoms			Other data	No numeric data
2.4 total			Other data	No numeric data