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	Questionario sulla Malattia di Parkinson-39 (PDQ-39)	Indice di Qualità della Vita in Dermatologia
Campo	Esiti di salute	Esiti di salute
Famiglia	Process / pipeline	Process / pipeline
Anno di origine	1997	1994
Ideatore	Crispin Jenkinson et al.	Andrew Y. Finlay and Gul K. Khan
Tipo	Self-report quality of life questionnaire	Self-report quality of life questionnaire
Fonte seminale	Jenkinson, C., Fitzpatrick, R., Peto, V., Greenhall, R., & Hyman, N. (1997). The Parkinson's Disease Questionnaire (PDQ-39): Development and validation of a Parkinson's disease summary index score. Age and Ageing, 26(5), 353-357.	Finlay, A. Y., & Khan, G. K. (1994). Dermatology Life Quality Index (DLQI): A simple practical measure for routine clinical use. Clinical and Experimental Dermatology, 19(3), 210-216.
Alias	PDQ-39, Parkinson's Disease Questionnaire, PDQ	DLQI, Finlay Index, Dermatology Quality of Life
Correlati	4	3
Sintesi	The PDQ-39 is the most widely used patient-reported outcome measure for Parkinson's disease quality of life. Developed by Crispin Jenkinson and colleagues in 1997, this 39-item self-report questionnaire comprehensively assesses how Parkinson's symptoms affect daily functioning, emotional well-being, stigma, social support, and cognitive-communication abilities. It is the recommended instrument in major Parkinson's disease clinical trials and forms a core component of outcome measurement in movement disorders.	The DLQI is the primary patient-centered outcome measure in dermatology research and clinical practice. Developed by Andrew Finlay and Gul Khan in 1994, this 10-item self-report questionnaire quantifies the impact of skin disease on patients' daily functioning, emotional well-being, social relationships, and work capacity. It is simple, rapid, and applicable to virtually all dermatological conditions, making it the gold standard for assessing quality of life in dermatology.