Figure 4From: Phenotyping community-acquired pneumonia according to the presence of acute respiratory failure and severe sepsis In-hospital mortality in community-acquired pneumonia patients with only acute respiratory failure (ARF) on admission and with both ARF and severe sepsis (SS) on admission stratified by mono- or multilobar involvement on chest X-ray and PaO 2 /FiO 2 ratio (P/F) levels on admission. Back to article page