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Annals of Intensive Care
Fig. 3 | Annals of Intensive Care

Fig. 3

From: Prognostic impact of elevated lactate levels on mortality in critically ill patients with and without preadmission metformin treatment: a Danish registry-based cohort study

Fig. 3

Association of lactate level with adjusted hazard ratio for 30-day mortality among metformin users and nonusers in the total cohort. The panel on the right is a zoomed-in version of the left panel and corresponds with the range of lactate levels that includes the largest proportion of patients. Data were fit by a multivariable-adjusted Cox regression model based on restricted cubic splines constructed with four evenly spaced knots. A multiply imputed dataset was used for this analysis. The grey area represents the 95% confidence interval

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