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	呼吸困難、咳嗽、喀痰スケール	聖ジョージ呼吸器質問票（St. George's Respiratory Questionnaire, SGRQ）
分野	呼吸器学	呼吸器学
系統	Process / pipeline	Process / pipeline
提唱年	2007	1991
提唱者	Multiple international authors (cardiopulmonary collaboration)	Paul W. Jones, King's College London
種類	Self-report symptom scale	Self-report questionnaire
原典	Rohrmann, S., Anker, S. D., Coats, A. J., Hildebrandt, P., & Köhler, F. (2007). Prognostic relevance of respiratory symptoms in patients with systolic left ventricular dysfunction. American Heart Journal, 153(1), 42-50.	Jones, P. W., Quirk, F. H., & Baveystock, C. M. (1991). The St George's Respiratory Questionnaire. Respiratory Medicine, 85(Suppl B), 25-31.
別名	BCS, Breathlessness Cough Sputum	SGRQ, St George's
関連	5	5
概要	The BCS is a brief, symptom-focused assessment tool measuring the frequency and severity of three cardinal respiratory symptoms: breathlessness (dyspnea), cough, and sputum production. Developed in cardiopulmonary research as a pragmatic measure of disease burden in chronic heart failure and chronic obstructive pulmonary disease, the BCS provides rapid, patient-centered tracking of respiratory symptom trajectories. Unlike comprehensive quality-of-life questionnaires, the BCS concentrates solely on symptom phenotype, making it ideal for routine monitoring and longitudinal disease surveillance in busy clinical settings.	The SGRQ is a 76-item disease-specific quality-of-life instrument designed to measure health status in patients with chronic respiratory disease, particularly chronic obstructive pulmonary disease (COPD). Developed by Jones and colleagues at King's College London in 1991, it has become the gold standard for assessing functional impact and symptom burden in respiratory populations. The SGRQ is widely used in clinical trials, epidemiological studies, and routine respiratory care to track changes in patient-reported outcomes.