James Twiss

Summary

Affiliation: Galen Research
Country: UK

Publications

  1. doi request reprint International development of the Unidimensional Fatigue Impact Scale (U-FIS)
    Lynda C Doward
    Galen Research, Manchester, UK
    Value Health 13:463-8. 2010
  2. pmc The German adaptation of the Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR)
    Katharina Cima
    Department für Innere Medizin, Schwerpunkt Pneumologie, Universitatsklinik, Innsbruck, Austria
    Health Qual Life Outcomes 10:110. 2012
  3. pmc Psychometric performance of the CAMPHOR and SF-36 in pulmonary hypertension
    James Twiss
    Galen Research Ltd, Manchester, United Kingdom
    BMC Pulm Med 13:45. 2013
  4. doi request reprint Adapting the Asthma Life Impact Scale (ALIS) for use in Southern European (Italian) and Eastern European (Russian) cultures
    J Twiss
    Galen Research Ltd, Manchester, UK
    J Med Econ 14:729-38. 2011
  5. pmc Interpreting scores on multiple sclerosis-specific patient reported outcome measures (the PRIMUS and U-FIS)
    James Twiss
    Galen Research Ltd, Manchester, UK
    Health Qual Life Outcomes 8:117. 2010
  6. doi request reprint Can we rely on the Dermatology Life Quality Index as a measure of the impact of psoriasis or atopic dermatitis?
    James Twiss
    Galen Research, Manchester, UK
    J Invest Dermatol 132:76-84. 2012
  7. doi request reprint The living with chronic obstructive pulmonary disease scale was successfully adapted for use in Southern European (Italian and Spanish) and Eastern European (Russian) cultures
    Stephen P McKenna
    Galen Research Ltd, Enterprise House, Manchester Science Park, Lloyd Street North, Manchester M15 6SE, United Kingdom
    J Clin Epidemiol 65:906-14. 2012
  8. doi request reprint Development and validation of the living with chronic obstructive pulmonary disease questionnaire
    Stephen P McKenna
    Galen Research, Manchester, UK
    Qual Life Res 20:1043-52. 2011
  9. pmc Translation and validation of non-English versions of the Ankylosing Spondylitis Quality of Life (ASQOL) questionnaire
    Lynda C Doward
    Galen Research, Manchester, UK
    Health Qual Life Outcomes 5:7. 2007
  10. pmc Adaptation of the QoL-AGHDA scale for adults with growth hormone deficiency in four Slavic languages
    Stephen P McKenna
    Galen Research Ltd, Manchester, UK
    Health Qual Life Outcomes 9:60. 2011

Collaborators

Detail Information

Publications12

  1. doi request reprint International development of the Unidimensional Fatigue Impact Scale (U-FIS)
    Lynda C Doward
    Galen Research, Manchester, UK
    Value Health 13:463-8. 2010
    ..The objective is to produce eight new language versions of the U-FIS: Canadian-English, Canadian-French, French, German, Italian, Spanish, Swedish, and US-English...
  2. pmc The German adaptation of the Cambridge Pulmonary Hypertension Outcome Review (CAMPHOR)
    Katharina Cima
    Department für Innere Medizin, Schwerpunkt Pneumologie, Universitatsklinik, Innsbruck, Austria
    Health Qual Life Outcomes 10:110. 2012
    ..The aim of this study was to translate and assess the reliability and validity of the CAMPHOR for German-speaking populations...
  3. pmc Psychometric performance of the CAMPHOR and SF-36 in pulmonary hypertension
    James Twiss
    Galen Research Ltd, Manchester, United Kingdom
    BMC Pulm Med 13:45. 2013
    ..The aim of the study was to compare the psychometric properties of the two measures...
  4. doi request reprint Adapting the Asthma Life Impact Scale (ALIS) for use in Southern European (Italian) and Eastern European (Russian) cultures
    J Twiss
    Galen Research Ltd, Manchester, UK
    J Med Econ 14:729-38. 2011
    ..It was developed in the UK and US and has proven to be acceptable to patients, to have good psychometric properties, and to be unidimensional...
  5. pmc Interpreting scores on multiple sclerosis-specific patient reported outcome measures (the PRIMUS and U-FIS)
    James Twiss
    Galen Research Ltd, Manchester, UK
    Health Qual Life Outcomes 8:117. 2010
    ....
  6. doi request reprint Can we rely on the Dermatology Life Quality Index as a measure of the impact of psoriasis or atopic dermatitis?
    James Twiss
    Galen Research, Manchester, UK
    J Invest Dermatol 132:76-84. 2012
    ..The current use of the DLQI as a guide to treatment selection is of concern, given its inadequate measurement properties...
  7. doi request reprint The living with chronic obstructive pulmonary disease scale was successfully adapted for use in Southern European (Italian and Spanish) and Eastern European (Russian) cultures
    Stephen P McKenna
    Galen Research Ltd, Enterprise House, Manchester Science Park, Lloyd Street North, Manchester M15 6SE, United Kingdom
    J Clin Epidemiol 65:906-14. 2012
    ..This article reports on the adaptation of the measure for use in representative Southern European (Italian and Spanish) and Eastern European (Russian) languages...
  8. doi request reprint Development and validation of the living with chronic obstructive pulmonary disease questionnaire
    Stephen P McKenna
    Galen Research, Manchester, UK
    Qual Life Res 20:1043-52. 2011
    ..The purpose of the study was to develop a patient-based PRO measure for COPD that captures the overall everyday impact of living with COPD from the patient's perspective...
  9. pmc Translation and validation of non-English versions of the Ankylosing Spondylitis Quality of Life (ASQOL) questionnaire
    Lynda C Doward
    Galen Research, Manchester, UK
    Health Qual Life Outcomes 5:7. 2007
    ..The Ankylosing Spondylitis Quality of Life (ASQOL) questionnaire is a unidimensional, disease-specific measure developed in the UK and the Netherlands. This study describes its adaptation into other languages...
  10. pmc Adaptation of the QoL-AGHDA scale for adults with growth hormone deficiency in four Slavic languages
    Stephen P McKenna
    Galen Research Ltd, Manchester, UK
    Health Qual Life Outcomes 9:60. 2011
    ..The present study describes the adaptation of the QoL-AGHDA for use in the following four Slavic languages; Czech, Polish, Serbian and Slovakian...
  11. doi request reprint International development of the patient-reported outcome indices for multiple sclerosis (PRIMUS)
    Stephen P McKenna
    Galen Research, Manchester, UK
    Value Health 13:946-51. 2010
    ..This study describes the adaptation of eight language versions for Canadian English, Canadian French, French, German, Italian, Spanish, Swedish, and US English...
  12. doi request reprint Validation of the Mood Disorder Questionnaire for screening for bipolar disorder in a UK sample
    James Twiss
    School of Psychological Sciences, Clinical and Health Psychology, The University of Manchester, Manchester, UK
    J Affect Disord 110:180-4. 2008
    ..This study investigated the optimal sensitivity and specificity cut-off thresholds for the MDQ in bipolar I and bipolar II patients in a UK sample...