Study on the epidemiological characteristics and cost structure of AECOPD patients in a class a tertiary hospital in Xi'an n from 2014 to 2023
Objective To explore the epidemiological characteristics and cost structure of hospitalized patients with acute exacerbation of chronic obstructive pulmonary disease(AECOPD)in a tertiary comprehensive hospital in Xi'an from 2014 to 2023.Methods The first page information of AECOPD inpatients in a hospital from January 2014 to December 2023 was col-lected(n=6 748),and the distribution of their demographic characteristics and clinical characteristics as well as the composition of hospitalization expenses were retrospectively analyzed,and the structural change degree was used to analyze the structural change of hospitalization expenses in different years.Results AECOPD patients diagnosed and hospitalized accounted for 4.81 ‰ of all hospitalized patients in this institution from 2014-2023,the proportion of AECOPD inpatients showed a continuous downward trend during 10 years(x2=1 083.351,P＜0.001);The distribution of gender,occupation,medical payment meth-ods,and sources of AECOPD inpatients in different years showed statistical differences(P＜0.05);There is a statistical differ-ence in the seasonal distribution of AECOPD inpatients in different years(x2=157.328,P＜0.001);There is a statistical difference in the average length of hospital stay among AECOPD inpatients in different years(x2=83.463,P＜0.001);There were statistically significant differences in the proportion of hospitalizations,admission conditions,comorbidities or complications,history of drug allergies,and readmission plans among AECOPD patients in different years(P＜0.05);There is a statistical difference in the outcomes of hospitalized AECOPD patients in different years(x2=153.367,P＜0.001);The average hospital-ization cost of AECOPD patients gradually increased from 2014-2016,and gradually decreased from 2016-2023(P＜0.01);The hospitalization expenses of AECOPD patients in different years are mainly based on drug expenses and diagnostic expenses;The overall degree of structural change(DSV)of average hospitalization expenses for AECOPD patients from 2014-2022 was 41.62％,with the highest DSV of hospitalization expenses in 2012-2013(22.69％)and the lowest DSV in 2017-2018(4.23％);The proportion of drug expenses in the average hospitalization cost of AECOPD patients continued to decline,while diagnostic expenses,hygiene material expenses,medical service expenses,and nursing expenses showed an overall increasing trend from 2014-2023.Conclusion The proportion and mortality rate of hospitalized AECOPD patients have shown an overall downward trend in the past 10 years;The proportion of hospitalized AECOPD patients in the age group of 70-79 is the highest,mainly distributed in winter;The overall average hospitalization cost over the past 10 years has shown a downward trend,with drug and diagnostic expenses as the main components.Drug expenses have been decreasing year by year,while diagnostic expen-ses have been increasing year by year.This indicates that medical policy reform plays a significant role in optimizing the hospitali-zation cost structure and controlling unreasonable cost growth.
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