Demographic characteristics of patients with pneumonia-related septic shock^a.

aData are presented as n (%), except for age, APACHE II score, PaO2/FiO2 ratio, SOFA score, hospital LOS and ICU LOS, which are presented as mean (standard deviation). bPneumonia with septic shock patients were divided according to survival status at day 28. cp value represents differences between survivors and non-survivors of pneumonia-related septic shock. dOrgan dysfunction was determined on the day of enrollment. AKI, acute kidney injury; ARDS, adult respiratory distress syndrome; APACHE II, Acute Physiology and Chronic Health Evaluation II; CAP, community-acquired pneumonia; HAP, hospital-acquired pneumonia; SOFA, Sequential Organ Failure Assessment.