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Annals of Intensive Care
Fig. 1 | Annals of Intensive Care

Fig. 1

From: Impact of natural light exposure on delirium burden in adult patients receiving invasive mechanical ventilation in the ICU: a prospective study

Fig. 1

Illuminance (lux) measured at different hours of the day in rooms with windows (LIGHT group) or without windows (DARK group). Data presented as mean and 95% confidence interval. p-value was obtained by repeated measures ANOVA for overall significance of the difference in time course of lux (time * group interaction). *p < 0.05 for LIGHT versus DARK group

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