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. 2012 Jun 28;2012:1007.
Ref (type) Population Outcome, Interventions Results and statistical analysis Effect size Favours
Symptom severity

Systematic review
146 people
Data from 1 RCT
Mean difference in Positive and Negative Syndrome Scale (PANSS) total score medium term
with clozapine (250–600 mg/day, mean 345.7 mg/day)
with ziprasidone (80–160 mg/day, mean 130.4 mg/day)
Absolute results not reported

Mean difference –0.5
95% CI –7.72 to +6.72
Not significant