Epidemiology of chronic obstructive pulmonary disease: a population-based study in Krasnoyarsk region, Russia

Adult Male Time Factors Adolescent Comorbidity International Journal of Chronic Obstructive Pulmonary Disease Middle Aged Prognosis Severity of Illness Index Russia 3. Good health Pulmonary Disease, Chronic Obstructive Young Adult 03 medical and health sciences 0302 clinical medicine Predictive Value of Tests 13. Climate action Prevalence Humans Female Original Research Aged
DOI: 10.2147/copd.s79601 Publication Date: 2015-09-02T23:35:51Z
ABSTRACT
Krasnoyarsk region is a territory with the widespread risk factors for chronic obstructive pulmonary disease (COPD) such as tobacco smoke, air pollution, and occupational exposure. An assessment of COPD prevalence based on medical diagnosis statistics underestimates the true COPD prevalence. This study aims to evaluate how medical examinations may increase the accuracy of estimates of COPD prevalence.True COPD prevalence was estimated as a number of patients with the established disease diagnosis supplemented by the additional disease cases detected during medical examinations per 1,000 inhabitants of the region. Official medical statistics data and the data collected from the Global Alliance against Chronic Respiratory Diseases program 2011 among 15,000 inhabitants of the region aged 18 years and older were analyzed.This study revealed the COPD cases without official medical diagnosis. The true prevalence of COPD is estimated to be two times higher than the prevalence estimates based on medical diagnosis statistics.Undiagnosed and untreated cases of COPD result in severe COPD forms as well as addition of severe comorbidities. Because of this, there is an increase in the index of potential years of life lost. Conducting special medical examinations may increase the number of COPD cases detected at the early stages of the disease. This, in turn, may reduce the overall burden of the disease for the population of the region.
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