Fig. 2From: Outcomes of subsyndromal delirium in ICU: a systematic review and meta-analysisForest plot comparing hospital length of stay (LOS) between SSD and non-delirium patients. Effects measure: risk ratio; analysis model: random effects; statistical method: I 2 heterogeneity. The ‘diamond’ at the bottom represents the 95% confidence interval (CI). IV initialization vector, SD standard deviationBack to article page