Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Symptom severity
Systematic review	514 people with negative symptoms 4 RCTs in this analysis	Scale for the Assessment of Negative Symptoms (SANS) score 6 to 26 weeks with amisulpride (50–300 mg) with placebo Absolute results reported graphically	Reported as significant	Effect size not calculated	amisulpride
Systematic review	514 people with negative symptoms 4 RCTs in this analysis	Scale for the Assessment of Positive Symptoms (SAPS) score 6 to 26 weeks with amisulpride (50–300 mg) with placebo Absolute results not reported	Significance not reported