[Retracted] Transnasal High-Flow Oxygen Therapy versus Noninvasive Positive Pressure Ventilation in the Treatment of COPD with Type II Respiratory Failure: A Meta-Analysis

<div>Comparison of 48 h-pH after treatment between the HFNC group and NIV group.</div>

Computational and Mathematical Methods in Medicine

fig9

Figure 9

Figure 9: [Retracted] Transnasal High-Flow Oxygen Therapy versus Noninvasive Positive Pressure Ventilation in the Treatment of COPD with Type II Respiratory Failure: A Meta-Analysis 

Figure 9 | [Retracted] Transnasal High-Flow Oxygen Therapy versus Noninvasive Positive Pressure Ventilation in the Treatment of COPD with Type II Respiratory Failure: A Meta-Analysis 