Figure 3
From: Acute COPD exacerbation treatment with noninvasive ventilation

Comparison of pH (a), paCO2 (b) and HCO3− (c) between LTH-NIV patients and Non-NIV patients depending on the time of discharge or last follow-up.
From: Acute COPD exacerbation treatment with noninvasive ventilation

Comparison of pH (a), paCO2 (b) and HCO3− (c) between LTH-NIV patients and Non-NIV patients depending on the time of discharge or last follow-up.