Blood eosinophil and neutrophil counts differentially identify frequent exacerbation in patients with COPD with physician-diagnosed asthma and COPD

• Takao Mochimaru,
• Shotaro Chubachi,
• Hidehiro Irie,
• Kaori Sakurai,
• Shinichi Okuzumi,
• Keeya Sunata,
• Katsunori Masaki,
• Jun Miyata,
• Hidetoshi Nakamura,
• Koichiro Asano,
• Koichi Fukunaga

Affiliations

Takao Mochimaru

Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan; Department of Respiratory Medicine, National Hospital Organization Tokyo Medical Center, Tokyo, Japan; Department of Allergy, National Hospital Organization Tokyo Medical Center, Tokyo, Japan

Shotaro Chubachi

Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan; Corresponding author. Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan.

Hidehiro Irie

Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan

Kaori Sakurai

Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan

Shinichi Okuzumi

Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan

Keeya Sunata

Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan

Katsunori Masaki

Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan

Jun Miyata

Division of Infectious Diseases and Respiratory Medicine, Department of Internal Medicine, National Defense Medical College, Saitama, Japan

Hidetoshi Nakamura

Division of Pulmonary Medicine, Saitama Medical University Hospital, Saitama, Japan

Koichiro Asano

Division of Pulmonary Medicine, Department of Medicine, Tokai University, School of Medicine, Kanagawa, Japan

Koichi Fukunaga

Division of Pulmonary Medicine, Department of Medicine, Keio University School of Medicine, Tokyo, Japan