Stull DE, Wiklund I, Gale R, Capkun-Niggli G, Houghton K, Jones P. Application of latent growth and growth mixture modeling to identify and characterize differential responders to treatment for COPD. Contemp Clin Trials. 2011 Nov 1;32(6):818-28.
Stull DE, Houghton KF, Gale R, Wiklund I, Capkun-Niggli G, Jones P. Application of innovative methods to identify and characterize differential responders in clinical trials of COPD: the use of mixture models. Poster presented at the 2011 ISPOR 14th Annual European Congress; November 2011. Madrid, Spain. [abstract] Value Health. 2011 Nov; 14(7):A501-2.
Palsgrove A, Houghton KF, Hareendran A, Schaefer M, Setyawan J, Mocarski M, Carson R, Make B. The development of the early morning symptoms of COPD instrument (EMSCI). Poster presented at the 2011 ISPOR 14th Annual European Congress; November 16, 2011. [abstract] Value Health. 2011 Nov; 14(7):A496-7.
Palsgrove A, Schaefer M, Hareendran A, Houghton KF, Mocarski M, Carson R, Make B. The development of a patient-reported outcome instrument to evaluate nighttime symptoms of COPD. Poster presented at the 2011 ISPOR 16th Annual International Meeting; May 2011. Baltimore, MD. [abstract] Value Health. 2011 May; 14(3):A141-2. doi: 10.1016/j.jval.2011.02.788
Schaefer M, Palsgrove A, Hareendran A, Houghton KF, Mocarski M, Carson R, Make B, Setyawan J. Patients' experience of nighttime COPD symptoms: results from qualitative research. Presented at the American Thoracic Society International Conference; 2011.