Demographics, underlying diseases/conditions, and clinical characteristics of patients with pneumonia.

APACHE = acute physiology and chronic health evaluation; CAP = community-acquired pneumonia; COPD = chronic obstructive lung disease; HAP = hospital-acquired pneumonia; HCAP = healthcare-associated pneumonia; ICU = intensive care unit; SOFA = sequential organ failure assessment.Data are reported as n (%), otherwise stated.a: Some patients had one or more underlying disease or condition.

APACHE：急性生理学与慢性健康状况评分系统（acute physiology and chronic health evaluation）；CAP：社区获得性肺炎（community-acquired pneumonia）；COPD：慢性阻塞性肺疾病（chronic obstructive lung disease）；HAP：医院获得性肺炎（hospital-acquired pneumonia）；HCAP：医疗相关肺炎（healthcare-associated pneumonia）；ICU：重症监护病房（intensive care unit）；SOFA：序贯器官衰竭评分（sequential organ failure assessment）。数据以例数（百分比）形式报告，另有说明者除外。a：部分患者存在1种或多种基础疾病或病症。