Research Article

Characteristics of Obese Patients with Acute Hypercapnia Respiratory Failure Admitted in the Department of Pneumology: An Observational Study of a North African Population

Figure 3

Arterial blood gases at the time of noninvasive positive pressure ventilation, at hospital discharge, and at 3 months follow-up after hospital discharge. PaCO2: arterial partial pressure of carbon dioxide; PaO2: arterial partial pressure of oxygen; HCO3: concentration of bicarbonate in arterial blood; SaO2: oxyhemoglobin saturation of arterial blood gas.