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Fig. 5 | Journal of Intensive Care

Fig. 5

From: Vitamin C may reduce the duration of mechanical ventilation in critically ill patients: a meta-regression analysis

Fig. 5

Effect of the combination of vitamins C and E on the duration of ventilation by the duration of ventilation in the control group. The diagonal line shows the meta-regression line based on the vitamin C alone trials from Fig. 4. The horizontal dashed line indicates the null effect. The results of the three trials [29,30,31] and their 95% CIs are shown. For calculations, see Additional file 2. RoM ratio of means [22]

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