Fig. 2From: A case of fitness to work in a worker with COPD using the exercise stress test COPD assessment using symptoms, breathlessness, spirometric classification, and risk of exacerbations. The patient had a GOLD airflow limitation rating of 3, dyspnea of mMRC grade 2, and a CAT score of 12; therefore, he was assigned to patient group D (high risk, more symptoms)Back to article page