Research Article
Prognostic Role of Chronic Obstructive Pulmonary Disease and Asthma Physiology Score for in-Hospital and 1-year Mortality in Patients with Acute Exacerbations of COPD
Figure 3
Kaplan–Meier survival curves evaluating the time to death in days for patients with CAPS ≥ 21 points and CAPS < 21 points.