Fig. 3

Haloperidol for delirium treatment using frequentist meta-analysis. Dichotomous outcomes of delirium treatment presented as A Risk ratio B Risk difference. Continuous outcomes of delirium treatment presented as (C) mean difference (day) (B) Ratio of means. Abbreviation: CI = confidence interval; ICU = intensive care unit; MD = mean difference; RD = risk difference; RoM = ratio of means; RR = Risk ratio. aInterpret grey-shaded results according to the grey-shaded directional indications