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In December 2011, a major revision of GOLD 2011 guidelines was published based on the evidence-based medicine. The goal of GOLD 2011 is to determine the severity of the disease, its impact on the patient’s health, and the risk of future events; all of which eventually guide therapy. A combined COPD assessment according to GOLD 2011 considers the patient’s level of symptoms, spirometry abnormalities, risk of exacerbation, and the presence of comorbidities. GOLD 2011 stratifies patients into four basic groups labeled A, B, C, and D. The aim of the present study was to assess the importance of updated GOLD guidelines for the diagnosis, treatment, and prevention of COPD. We found that the multicomponent 2011 guidelines offer a significant advantage over the previous mono-component COPD assessment according to GOLD 2006 in terms of disease control and therapy management, with patients enjoying better spirometry values and a higher arterial oxygen content considered the primary outcomes of interest.