Wilburn J, McKenna S, Twiss J, Kemp K, Campbell S. Validation of the Crohn's Life Impact Questionnaire (CLIQ), the first patient-reported outcome measure specific to adults with Crohn's disease. Poster presented at the 2013 ISPOR 16th Annual European Congress; November 2013. Dublin, Ireland. [abstract] Value Health. 2013 Nov; 16(7):A499-500. doi: 10.1016/j.jval.2013.08.1129
Wilburn J, McKenna S, Twiss J, Kemp K, Campbell S. Validating the Unidimensional Fatigue Impact Scale (U-FIS) for use in Crohn's disease. Poster presented at the 2013 ISPOR 16th Annual European Congress; November 2013. Dublin, Ireland. [abstract] Value Health. 2013 Nov; 16(7):A499. doi: 10.1016/j.jval.2013.08.1128
Twiss J, McKenna S, Graham JE, Swetz KM, Sloan J, Gomberg-Matiland M. Assessing measurement equivalence of different forms of administration of the Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR) using Rasch analysis. Poster presented at the 2013 ISPOR 16th Annual European Congress; November 2013. Dublin, Ireland. [abstract] Value Health. 2013 Nov; 16(7):A606. doi: 10.1016/j.jval.2013.08.1731
Twiss J, McKenna S, Rouse M. Using Rasch analysis to co-calibrate scores from outcome measures specific to asthma (ALIS), chronic obstructive pulmonary disease (LCOPD) and pulmonary hypertension (CAMPHOR). Poster presented at the 2013 ISPOR 16th Annual European Congress; November 2013. Dublin, Ireland. [abstract] Value Health. 2013 Nov; 16(7):A605. doi: 10.1016/j.jval.2013.08.1724
Rouse M, McKenna S, Twiss J, Graham JE, Wilburn J. Quality of life outcomes in multiple sclerosis: a review of the literature. Poster presented at the 2013 ISPOR 16th Annual European Congress; November 2013. Dublin, Ireland. [abstract] Value Health. 2013 Nov; 16(7):A626. doi: 10.1016/j.jval.2013.08.1843
Graham JE, McKenna S, Wilburn J, Twiss J. Assessing quality of life in adult growth hormone deficiency: further development of the QoL-AGHDA. Poster presented at the 2013 ISPOR 16th Annual European Congress; November 2013. Dublin, Ireland. [abstract] Value Health. 2013 Nov; 16(7):A446-7. doi: 10.1016/j.jval.2013.08.710
Twiss J, McKenna S, Ganderton L, Jenkins S, Ben-L'amri M, Gain K, Fowler R, Gabbay E. Psychometric performance of the CAMPHOR and SF-36 in pulmonary hypertension. BMC Pulm Med. 2013 Jul 12;13:45. doi: 10.1186/1471-2466-13-45
Doward LC, Wilburn J, McKenna SP, Leicester R, Epstein O, Hedley V, Korala S, Twiss J, Jones D, Geraint M. Development and validation of the Bowel Cleansing Impact Review (BOCLIR). Frontline Gastroenterol. 2013 Feb;4(2):112-9. doi: 10.1136/flgastro-2012-100278