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Fig. 3 | BMC Anesthesiology

Fig. 3

From: Potential for the lung recruitment and the risk of lung overdistension during 21 days of mechanical ventilation in patients with  COVID-19 after noninvasive ventilation failure: the COVID-VENT observational trial

Fig. 3

Normalized static compliance at preset tidal volume and during tidal volume increase («volume trial») in survivors and non-survivors during 21 days of the mechanical ventilation. A Day 1. B Day 3. C Day 5. D Day 7. E Day 14. F Day 21. Data on survivors (black) and non-survivors (grey) is presented as medians and 95% confidence in-tervals. The x-axis represents three points: initial tidal volume, tidal volume increased by 100 ml and tidal volume increased by 200 ml. Normalized static compliance calculated dividing the tidal volume in ml/kg of the ideal body weight to driving pressure.* p-value < 0.05, comparison within subgroup of survivors and non-survivors (Friedman test);** p-value < 0.01, comparison within subgroup of survivors and non-survivors (Friedman test);§ p-value < 0.001, comparison within subgroup of survivors and non-survivors (Friedman test)

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