Fig. 2

Primary analysis of unadjusted data from 71 studies ([42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103,104,105,106,107,108,109]). Odds Ratio of > 1 indicates greater odds of mortality in patients who experienced delirium. Studies named according to unique identification number and name of primary author. Time point indicates the year of publication. Lower limit and upper limit mark the confidence intervals (CI) of the odds ratio. (Please note: software does not allow us to remove column “Time point”)