Fig. 2From: Influencing factors of noninvasive positive pressure ventilation in the treatment of respiratory failure: a 10-year study in one single centerReasons for NPPV treatment. AECOPD acute exacerbation of chronic obstructive pulmonary disease, ACPE acute cardiogenic pulmonary edema, IMV invasive mechanical ventilation, DNI Do-not-intubateBack to article page