Comparison 15. Typical antipsychotic vs placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
15.1 Self‐injury	1		Std. Mean Difference (IV, Random, 95% CI)	Subtotals only
15.2 Adverse effects: musculoskeletal	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
15.2.1 Dystonia	1	23	Risk Ratio (IV, Random, 95% CI)	2.36 [0.11, 52.41]
15.3 Adverse effects: neurological	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
15.3.2 Fatigue/lethargy	1	23	Risk Ratio (IV, Random, 95% CI)	8.64 [0.53, 140.05]
15.4 Adverse effects: psychological	1		Risk Ratio (IV, Random, 95% CI)	Subtotals only
15.4.1 Behaviour problems	1	23	Risk Ratio (IV, Random, 95% CI)	0.34 [0.16, 0.73]
15.5 Tolerability/acceptabiity: loss to follow‐up	2	40	Risk Ratio (IV, Random, 95% CI)	0.46 [0.14, 1.49]