​What is COPD?

Chronic obstructive pulmonary disease (COPD) is a common respiratory disease characterized by airflow restriction. It has the characteristics of high prevalence, high disability and death rate, long course of disease and treatment cycle, and high hospitalization rate in acute exacerbation period. The three main symptoms of COPD are dyspnea, chronic cough, and expectoration. About 62% of patients with moderate to severe COPD have changes in symptoms (such as dyspnea, cough, expectoration, wheezing or chest tightness) between a day and a week. In addition, serious complications, such as lung cancer, bronchiectasis, cardiovascular disease, osteoporosis, will have an important impact on the production of disease mortality. Smoking, occupational dust, chemicals and air pollution are the main risk factors for chronic obstructive pulmonary disease in China.

Analysis of the number of COPD patients worldwide, 2015-2024E

Chronic obstructive pulmonary disease (COPD) has become a globally recognized disease with a large medical burden. According to the prediction of the World Health Organization, chronic obstructive pulmonary disease will become the third leading cause of death in the world by 2030. However, so far, the evaluation and treatment of chronic obstructive pulmonary disease still faces the problem of insufficient diagnosis as well as misdiagnosis leading to insufficient treatment. In 2019, the number of patients with COPD in the world reached about 460 million, and the prevalence rate increased with age. Due to the increase of risk factors such as smoking, air pollution, occupational dust and chemical exposure, and the trend of population aging, it is expected that the number of patients with chronic obstructive pulmonary disease will continue to increase in the next few decades. It is expected that by 2024, the number of patients will reach about 530 million. Leave a space between the number and the word.