Physician perspectives on the burden and management of asthma in six countries: The Global Asthma Physician Survey (GAPS)

Table 3 Practices for assessing asthma control

% of physicians using this method	Total N=1809	Canada N=307	France N=301	Germany N=300	Australia N=300	China N=300	Japan N=301
Lung function measurement with spirometry (e.g. FEV₁ or peak flow)	42	28	46	57	47	54	24
Frequency of symptoms	41	15	28	31	12	95	8
Frequency of exacerbations	41	41	31	9	37	59	43
Frequency of night-time awakenings	30	31	8	6	33	70	8
Interference with normal activities (excluding work)	27	21	15	3	16	60	14
Use of reliever SABAs for symptom control	23	42	17	5	53	37	5
Interference with work or household work	20	16	4	2	7	58	1
Validated patient-reported outcomes (ACT, ACQ)	10	5	29	8	2	13	1
Symptoms (unspecified)	7	17	1	3	32	1	12
Medication use and frequency	6	15	1	6	15	-	10
Patient or family feedback	6	12	1	12	15	-	9
Ability to exercise/exertion	5	15	-	2	19	-	8
Induced sputum measurement	5	1	1	-	2	15	-
Other responses combined	37	54	33	45	68	2	61

Responses to survey question: How do you assess asthma control in your adult asthma patients?
Only answers with a response rate of ≥15% in at least one country have been included. ‘-’ represents values of 0% or <1%
ACQ Asthma Control Questionnaire, ACT Asthma Control Test, FEV ₁ forced expiratory volume in 1 second, SABA short-acting β₂-agonist

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