Comparison 2. Delirium‐free and coma‐free days (log ratio of means scale).

Outcome or subgroup title	No. of studies	No. of participants	Statistical method	Effect size
1 Delirium‐free and coma‐free days	4		Mean Difference (IV, Random, 95% CI)	Subtotals only
1.1 Typical AP vs placebo	3	588	Mean Difference (IV, Random, 95% CI)	0.13 [‐0.08, 0.34]
1.2 Atypical AP vs placebo	2	440	Mean Difference (IV, Random, 95% CI)	0.36 [‐0.15, 0.87]
1.3 Statin vs placebo	1	142	Mean Difference (IV, Random, 95% CI)	‐0.11 [‐0.33, 0.11]
1.4 Typical AP vs atypical AP	2	447	Mean Difference (IV, Random, 95% CI)	‐0.08 [‐0.21, 0.05]