Structural and Influencing Factors Analysis of COPD sufferers'Hospitalization Costs Based on Grey Correlation Method and Structural Change Degree
Objectives To explore the composition,changing trend and influencing factors of hospitalization costs of COPD patients,and provide reference for optimizing the cost structure of COPD patients.Methods Data on the inpatients'hospitalization costs composition of 3053 COPD patients in a general hospital in Huanggang City of Hubei Province from January 1st,2019 to December 31st,2023 were collected.The correlation degree and structural variations between individual hospitalization costs and total hospitalization costs were measured by grey correlation method and structural change method.Multivariate Logistic regression analysis was conducted to assess the influencing factors of hospitalization expenses.Results The average hospitalization cost for COPD patients had demonstrated a consistent decline yearly.In the composition of the average hospitalization costs,the drug cost dominated,accounting for 37.86%on average,followed by the diagnosis cost(21.53%)and treatment cost(17.52%).In terms of correlation,the medical service fee(0.925),drug cost(0.880)and diagnosis cost(0.840)showed a high correlation.Multivariate logistic regression analysis showed that the length of hospitalization stay,the use of antimicrobial drugs,and whether there was a plan for rehospitalization within 31 days of discharge were influencing factors of hospitalization costs.Among them,the duration of hospitalization had the most pronounced effect on medical expenses,with an increase in the number of days spent in the hospital leading to a steady surge in overall costs.Conclusions The financial pressure of COPD patients was alleviated,and the drug cost control measures were effective.The key to cost control lay in the examination fee,the number of days in hospital,the use of antibiotics,and whether there was a re-hospitalization plan within 31 days of discharge would affect the hospitalization cost.It was necessary to moderately increase the cost proportion of technical labor projects and continue to implement the DIP payment reform to further improve the hospitalization cost structure.
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