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. 2019 May 17;10:502. doi: 10.3389/fphar.2019.00502

Table 2.

Proportion (95 % CI) of patients treated with placebo from 58 double-blind, placebo-controlled studies performed in patients with schizophrenia spectrum disorder for each outcome measures.

Number of events Total number of patient in the placebo arm PR (%) 95% CI (%) Heterogeneity
I2 Cochran's Q test
Withdrawal for AEs 518 6097 7,2 (5.9, 8.4) 84% <0.001
All AEs 3621 5523 66,3 (62.7, 69.8) 88% <0.001
Nervous system disorders 1596 6281 27,6 (22.9, 32.2) 97% <0.001
Psychiatric disorders 1929 6298 30,4 (24.8, 36.0) 98% <0.001
Gastrointestinal disorders 693 5370 12,9 (10.8, 15.0) 93% <0.001

AEs, Adverse Events; CI, Confidence Interval; PR, Proportion.