**4. Conclusions**

1.Based on the results obtained in the course of the study, it is possible to identify risk factors for repeated hospitalizations in chronic obstructive pulmonary disease: male gender, age over 70 years, smoking duration of 40 years or more, COPD experience of at least 10 years, the presence of three or more concomitant diseases, defects in hospital therapy (inadequate bronchodilator therapy, unjustified treatment), excessive administration of parenteral glucocorticoids and methylxanthines (eufillin), defects in oxygen therapy and antimicrobial treatment regimens, insufficient adherence to treatment at the outpatient stage, including due to inadequate recommendations for treatment at discharge, as well as recommendations for quitting smoking, physical activity and rehabilitation, and lack of proper monitoring of inhalation techniques.

