Table S3.

Key indicators for considering a COPD diagnosis: GOLD global strategy by country and by physician type

	USA n=200		Mexico n=101		Brazil n=101		France n=100		Germany n=100		Italy n=100		Spain n=100		UK n=100		NL n=101		Russia n=100		Japan n=101		SK n=103
	PC	RS	PC	RS	PC	RS	PC	RS	PC	RS	PC	RS	PC	RS	PC	RS	PC	RS	PC	RS	PC	RS	PC	RS
Chronic symptoms of airflow obstruction (wheezing, dyspnea)
Yes (%)	53	59	15	19	55	69	23	50	20	28	54	81	48	36	51	44	80	85	80	88	41	50	42	59
Chronic cough with phlegm/sputum
Yes (%)	36	41	11	15	44	62	38	50	20	12	61	65	37	24	49	24	59	81	61	73	22	32	32	44
History of cigarette smoking/exposure to passive smoking
Yes (%)	77	78	88	85	59	73	85	100	84	76	72	62	44	84	85	92	73	78	50	42	95	89	66	85
Occupational exposure to smoke, fumes, or dust
Yes (%)	9	6	59	77	8	4	27	15	31	20	30	15	8	4	15	16	8	0	15	12	19	14	24	19
Family history of emphysema/bronchitis/COPD
Yes (%)	11	10	4	8	15	12	23	15	11	20	7	4	32	48	19	16	8	0	16	23	4	11	18	0

Notes: Percentages within a physician type will sum to greater than 100%; results from an open-ended question asking physicians to provide the top three most important factors in a patient’s history when establishing a COPD diagnosis; no predefined list provided.

Abbreviations: COPD, chronic obstructive pulmonary disease; GOLD, Global initiative for chronic Obstructive Lung Disease; NL, the Netherlands; SK, South Korea; PC, primary care; RS, respiratory specialist.