4.7 Article

Secular trend and risk factors of 30-day COPD-related readmission in Beijing, China

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SCIENTIFIC REPORTS
卷 12, 期 1, 页码 -

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NATURE PORTFOLIO
DOI: 10.1038/s41598-022-20884-3

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  1. Beijing Municipal Science & Technology Commission [Z201100005520028]
  2. Beijing Municipal Administration of Hospitals Incubating Program [PX2020014]

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This study described the secular trend and identified risk factors of COPD-related 30-day readmission in Beijing from 2012 to 2017. The overall readmission rate increased from 11.5% in 2012 to 17.2% in 2017, with a higher rate for men. Comorbidities such as osteoporosis, coronary heart disease, congestive heart failure, and cancer were associated with an increased risk of readmission.
Readmission due to chronic obstructive pulmonary disease (COPD) exacerbation contributes significantly to disease burden. Trend in readmission rate among COPD patients in China is not well characterized. We described the secular trend and identify risk factors of COPD-related 30-day readmission in Beijing during 2012-2017. In this retrospective cohort study, we used data from a citywide hospital discharge database in Beijing. We included patients >= 40 years with a primary diagnosis of COPD from 2012 to 2017. A total of 131 591 index admissions were identified. COPD-related 30-day readmission was defined as the initial admission with a primary diagnosis of COPD that occurs within 30 days from the discharge date of an index admission. Overall and annual 30-day readmission rates were calculated in the total population and subgroups defined by patient characteristics. We used multivariable logistic models to investigate risk factors for readmission and in-hospital mortality within 30 days. The overall 30-day COPD-related readmission rate was 15.8% (n = 20 808). The readmission rate increased from 11.5% in 2012 to 17.2% in 2017, with a multivariable-adjusted OR (95% CI) for annual change to be 1.08 (1.06-1.09) (P trend < 0.001). The upward trend in readmission rate levelled off at about 17% since 2014. The readmission rate of men was higher and increased faster than women. Comorbid osteoporosis, coronary heart disease, congestive heart failure, and cancer were associated with an increased risk of 30-day COPD-related readmission. The 30-day COPD-related readmission rate in Beijing showed an overall increasing trend from 2012 to 2017. Future efforts should be made to further improve care quality and reduce early readmissions of COPD patients.

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