Qin S, Coles T, Nelson L, McLeod L, Williams V, Williams N, Reaney M. CDFs and PDFs: comparing visual methods supporting responder thresholds in clinical trials. Poster presented at the 2018 ISPOR 23rd Annual International Meeting; May 21, 2018. Baltimore, MD. [abstract] Value Health. 2018 May; 21(Suppl):S53. doi: 10.1016/j.jval.2018.04.442
Francois C, Danchenko N, Williams V, Nelson L, Williams NJ, Yarr S, DiBenedetti DB, Lancon C. Validation of the depression and family functioning scale (DFFS). Poster presented at the 2015 ISPOR 20th Annual International Meeting; May 2015. Philadelphia, PA. [abstract] Value Health. 2015 May; 18(3):A24.
Strober B, Zhao Y, Tran MH, Gnanasakthy A, Nelson LM, McLeod LD, Mordin M, Gottlieb A, Elewski B, Lebwohl MG. Psychometric evaluation of the Psoriasis Symptom Diary using phase 3 trial data. Poster presented at the 2014 ISPOR 19th Annual International Meeting; May 2014. Montreal, Canada. [abstract] Value Health. 2014 Jun; 17(3):A288. doi: 10.1016/j.jval.2014.03.1676
Badia X, Forsythe A, Nelson LM, Coles TM, McLeod LD, Webb SM. Improvements in health-related quality of life in acromegaly with pasireotide LAR and octreotide LAR: results from a large, randomized, double-blind phase III trial. Poster presented at the 2012 ISPOR 15th Annual European Congress; November 2012. Berlin, Germany. [abstract] Value Health. 2012 Nov; 15(7):A505.
Dalal AA, Nelson L, Gilligan T, McLeod L, Lewis S, Demuro-Mercon C. Evaluating patient-reported outcome measurement comparability between paper and alternate versions, using the lung function questionnaire as an example. Value Health. 2011 Jul 1;14(5):712-20.
Dalal AA, Nelson L, Gilligan TM, McLeod LD, Lewis SE, DeMuro C. Measurement comparability between paper and alternate versions: recommended assessment steps using the lung function questionnaire as an example. Poster presented at the 2011 ISPOR 16th Annual International Meeting; May 25, 2011. [abstract] Value Health. 2011 May; 14(3):A145.
Gilligan TM, Nelson L, Dalal AA, McLeod LD. Visually evaluating the measurement comparability between paper-based and alternate versions of administration of the lung function questionnaire. Poster presented at the 2011 ISPOR 16th Annual International Meeting; May 25, 2011. [abstract] Value Health. 2011 May; 14(3):A153.
Nelson L, Coon C, Williams V, Price M. Determining missing data rules for pros: alpha-if-item-deleted. Poster presented at the 2010 ISPOR 15th Annual International Meeting; May 2010. Atlanta, GA. [abstract] Value Health. 2010 May; 13(3):A21.
Lee LJ, Nelson LM, McLeod LD, Hill CD, Sweeney CT. Effects of insulin therapy on the Diabetes Symptom Checklist-Revised (DSC-R): data from a large insulin clinical trial. Poster presented at the 2009 ISPOR 14th Annual International Meeting; May 21, 2009. [abstract] Value Health. 12(3):A105.