Eosinopenia as a biomarker for antibiotic use in COPD exacerbations: protocol for a retrospective hospital-based cohort study

• Mei Yang,
• Hongli Jiang,
• Xuemei Liu,
• Can Liu,
• Ruizhi Feng,
• Yanqing Wu,
• Junjie Li,
• Qiongqiong Hu,
• Sijia Fu,
• Daohong Chen,
• Ai Luo,
• Xiawei Zhang,
• Guo Xu

Affiliations

Mei Yang

Department of Maternal and Child Health, Wuhan University of Science and Technology, Wuhan, China

Hongli Jiang

6 Blood Purification Center, The First Affiliated Hospital of Xi’an Jiaotong University, Xi`an, China

Xuemei Liu

Huaxi Medical Journal Press, West China Hospital, Sichuan University, Chengdu, China

Can Liu

Department of Orthopedics, Beijing First Hospital of Integrated Chinese and Western Medicine, Beijing, China

Ruizhi Feng

1State Key Laboratory of Genetic Engineering and MOE Key Laboratory of Contemporary Anthropology, School of Life Sciences, Fudan University, Shanghai, The People`s Republic of China

Yanqing Wu

The Second Affiliated Hospital to Nanchang University

Junjie Li

Department of Neurology, Xuanwu hospital,Capital Medical University, Beijing, People`s Republic of China

Qiongqiong Hu

West China School of Medicine, Sichuan University West China Hospital, Chengdu, Sichuan, China

Sijia Fu

Division of Pulmonary Diseases, Department of Integrated Traditional and Western Medicine, Sichuan University West China Hospital, Chengdu, Sichuan, China

Daohong Chen

Division of Pulmonary Diseases, Department of Integrated Traditional and Western Medicine, Sichuan University West China Hospital, Chengdu, Sichuan, China

Ai Luo

Division of Pulmonary Diseases, Department of Integrated Traditional and Western Medicine, Sichuan University West China Hospital, Chengdu, Sichuan, China

Xiawei Zhang

Respiratory Medicine Unit and National Institute for Health Research, Nuffield Department of Medicine Experimental Medicine, Oxford Biomedical Research Centre, University of Oxford, Oxford, UK

Guo Xu

Division of Pulmonary Diseases, Department of Integrated Traditional and Western Medicine, Sichuan University West China Hospital, Chengdu, Sichuan, China