“…Data from Japan have con¢rmed that the psychometric properties of the questionnaire have been retained throughout this process [Subcommittee of Symptom and Quality of Life Assessment, 2001]. The ICIQ is being increasingly used and further evaluated in both clinical practice and research in the UK and internationally [Subcommittee of Symptom and Quality of Life Assessment, 2001; Karantanis et al, 2002;Peters et al, 2004]. Further research is required, however, to investigate its usefulness in routine clinical practice, for speci¢c groups, such as the frail elderly, and in the developing world.…”