Does the asthma visual analog scale relate to the Asthma Control Questionnaire?

Control-based asthma management, comprising a continuous cycle of assessment, adjustment, and review of treatment response, is recommended by the Global Initiative for Asthma (GINA) guidelines.1 Objective measurement and documentation of asthma control in UK clinical practice are often poor. In the National Review of Asthma Deaths (United Kingdom), of the 69% of patients who had an asthma review before their death, only 27% had any formal assessment of asthma control.2 Therefore, having a simple but effective tool to detect changing severity of asthma is important.

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