Effect of codeine on objective measurement of cough in chronic obstructive pulmonary disease Jaclyn Smith, MD, PhD, Emily Owen, MPhil, John Earis, MD, Ashley Woodcock, MD Journal of Allergy and Clinical Immunology Volume 117, Issue 4, Pages 831-835 (April 2006) DOI: 10.1016/j.jaci.2005.09.055 Copyright © 2006 American Academy of Allergy, Asthma and Immunology Terms and Conditions
Fig 1 Time spent coughing on baseline study day and after treatment with codeine and placebo. Horizontal lines represent median time spent coughing and error bars the IQR. Journal of Allergy and Clinical Immunology 2006 117, 831-835DOI: (10.1016/j.jaci.2005.09.055) Copyright © 2006 American Academy of Allergy, Asthma and Immunology Terms and Conditions
Fig 2 Temporal distribution of cough on each study day. The median cough rate is plotted for each 30-minute time interval for day and night on each study day. Journal of Allergy and Clinical Immunology 2006 117, 831-835DOI: (10.1016/j.jaci.2005.09.055) Copyright © 2006 American Academy of Allergy, Asthma and Immunology Terms and Conditions