Translating the science of quality of life into practice: what do Dermatology Life Quality index scores mean?

Hongbo, Yan, Thomas, Charles L., Harrison, Michael A., Salek, M. Sam and Finlay, Andrew Yule ORCID: https://orcid.org/0000-0003-2143-1646 2005. Translating the science of quality of life into practice: what do Dermatology Life Quality index scores mean? British Journal of Dermatology 125 (4) , pp. 659-664. 10.1111/j.0022-202X.2005.23621.x

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Abstract

This study's aim was to determine the relationship between Dermatology Life Quality Index (DLQI) scores and a Global Question (GQ) concerning patients' views of the overall impairment of their skin-related quality of life (QoL), and to express this relationship by identifying bands of DLQI scores equivalent to each GQ descriptor. A DLQI questionnaire and the GQ were mailed to 3834 adult general dermatology outpatients. There were 1993 (52%) responses: male 841; female 1152. Mean DLQI score=4.86 (range 0–30, standard deviation (SD)=5.83). Mean GQ score=1.22 (range 0–4, SD=1.20). The mean, mode, and median of the GQ scores for each DLQI score were used to devise several sets of bands of DLQI scores, and κ coefficients of agreement calculated. The set proposed for adoption is: DLQI scores 0–1=no effect on patient's life (GQ=0, n=754); DLQI scores 2–5=small effect on patient's life (GQ=1, n=611); DLQI scores 6–10=moderate effect on patient's life (GQ=2, n=327); DLQI scores 11–20=very large effect on patient's life (GQ=3, n=242); DLQI scores 21–30=extremely large effect on patient's life (GQ=4, n=59); κ coefficient 0.489. Banding of the DLQI will aid the clinical interpretation of an individual's DLQI score and allow DLQI scores to inform clinical decisions.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Medicine
Subjects:	R Medicine > R Medicine (General) R Medicine > RZ Other systems of medicine
Publisher:	Wiley-Blackwell
ISSN:	0007-0963
Last Modified:	27 Oct 2022 09:48
URI:	https://orca.cardiff.ac.uk/id/eprint/67829

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