Age, gender, neck circumference, and Epworth sleepiness scale do not predict obstructive sleep apnea (OSA) in moderate to severe chronic obstructive pulmonary disease (COPD): The challenge to predict OSA in advanced COPD

• Xavier Soler ,

  Contributed equally to this work with: Xavier Soler, Shu-Yi Liao

  * E-mail: xsoler@ucsd.edu

  Affiliation Department of Medicine, Pulmonary, Critical Care and Sleep Division, UC San Diego, San Diego, CA, United States of America

  http://orcid.org/0000-0002-0099-0847

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• Shu-Yi Liao ,

  Contributed equally to this work with: Xavier Soler, Shu-Yi Liao

  Affiliation Department of Medicine, UC Riverside, Riverside, CA, United States of America

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• Jose Maria Marin,

  Affiliation Pulmonary Division, University Hospital Miguel Servet, IISAragón, CIBERES, Zaragoza, Spain

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• Geraldo Lorenzi-Filho,

  Affiliation Pulmonary Division, Sleep Laboratory, Hospital das Clinicas, Faculda de de Medicina da Universidade de São Paulo, São Paulo, Brasil

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• Rachel Jen,

  Affiliation Department of Medicine, Pulmonary, Critical Care and Sleep Division, UC San Diego, San Diego, CA, United States of America

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• Pamela DeYoung,

  Affiliation Department of Medicine, Pulmonary, Critical Care and Sleep Division, UC San Diego, San Diego, CA, United States of America

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• Robert L. Owens,

  Affiliation Department of Medicine, Pulmonary, Critical Care and Sleep Division, UC San Diego, San Diego, CA, United States of America

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• Andrew L. Ries ,

  ¶‡ ALR and AM are joint senior authors on this work.

  Affiliation Department of Medicine, Pulmonary, Critical Care and Sleep Division, UC San Diego, San Diego, CA, United States of America

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• Atul Malhotra

  ¶‡ ALR and AM are joint senior authors on this work.

  Affiliation Department of Medicine, Pulmonary, Critical Care and Sleep Division, UC San Diego, San Diego, CA, United States of America

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