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Fig. 6 | BMC Anesthesiology

Fig. 6

From: Comparison of the effectiveness of high-flow nasal oxygen vs. standard facemask oxygenation for pre- and apneic oxygenation during anesthesia induction: a systematic review and meta-analysis

Fig. 6

Forest plots of EtCO2 or PaCO2 in HFNO versus FMV after intubation. Subgroup analysis shows the EtCO2 versus PaCO2 after intubation. CI indicates confidence interval; df, degrees of freedom; HFNO, high-flow nasal oxygen; FMV, facemask ventilation; IV, inverse variance; O2, oxygen; SD, standard deviation

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BMC Anesthesiology

ISSN: 1471-2253

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