Comparison 2. Haloperidol versus placebo.

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
2.1 Agitation	3	330	Std. Mean Difference (IV, Fixed, 95% CI)	‐0.29 [‐0.51, ‐0.07]
2.2 Psychosis	2	240	Std. Mean Difference (IV, Fixed, 95% CI)	‐0.29 [‐0.55, ‐0.03]
2.3 Somnolence	3	466	Risk Ratio (IV, Fixed, 95% CI)	2.62 [1.51, 4.56]
2.4 Extrapyramidal symptoms	1		Risk Ratio (IV, Fixed, 95% CI)	Totals not selected
2.5 Serious adverse events	1		Risk Ratio (IV, Fixed, 95% CI)	Totals not selected
2.6 Death	5	545	Risk Ratio (IV, Fixed, 95% CI)	1.88 [0.65, 5.48]
2.7 Number of responders for agitation	3	334	Risk Ratio (IV, Fixed, 95% CI)	1.15 [0.99, 1.35]
2.8 Number of responders for psychosis	2	259	Risk Ratio (IV, Fixed, 95% CI)	1.31 [0.90, 1.92]
2.9 Discontinuation due to adverse events	3	409	Risk Ratio (IV, Fixed, 95% CI)	1.81 [1.08, 3.03]
2.10 Discontinuation (any reason)	5	545	Risk Ratio (IV, Fixed, 95% CI)	1.18 [0.90, 1.54]
2.11 Functioning (ADL)	2	249	Std. Mean Difference (IV, Fixed, 95% CI)	0.38 [0.13, 0.63]
2.12 Cognitive function	2	205	Mean Difference (IV, Fixed, 95% CI)	‐0.25 [‐1.27, 0.77]
2.13 Carer burden	1		Mean Difference (IV, Fixed, 95% CI)	Totals not selected