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Fig. 3 | BMC Pediatrics

Fig. 3

From: Individualized estimation of arterial carbon dioxide partial pressure using machine learning in children receiving mechanical ventilation

Fig. 3

Scatter plot showing the correlation of PaCO2 and EtCO2. The Spearman correlation coefficient was 0.78, and the R2 value was 0.58. The plot reveals a poor correlation between PaCO2 and EtCO2 as PaCO2 increases. The values of those who belong to severe acute respiratory distress syndrome, defined by the oxygenation saturation index ≥ 12, were represented with red dots. OSI: oxygenation saturation index; (PaCO2 - EtCO2): discrepancy between PaCO2 and EtCO2

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