Characteristics of 30-day readmission in spontaneous pneumothorax in the United States: a nationwide retrospective study.

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    • Abstract:
      Objective: Our study aimed to determine the national estimates of the 30-day all-cause readmission rate among patients with spontaneous pneumothorax and to investigate the burden of these readmissions in terms of mortality, length of stay and hospitalization costs in the USA. Methods: We utilized the Nationwide Readmission Database for 2013–2014 and identified adults with a primary diagnosis of spontaneous pneumothorax. We analyzed and reported patient- and hospital-level variables of the study cohort. Our primary outcome was 30-day readmission rate, including the reasons for readmission. Our secondary outcomes included all-cause mortality, resources utilization and predictors of readmissions. Results: We identified 47,108 index admissions with spontaneous pneumothorax. The 30-day readmission rate was 13.6%. The most common reason for admission was recurrent pneumothorax. In index admissions, the in-hospital mortality rate was 3.1%; whereas, in readmissions, the mortality was higher (4.6%, p < 0.001). Both age group 45–64 (HR: 1.31, 95% CI: [1.15–1.49], p < 0.001) and history of cancer (HR: 1.34, 95% CI: [1.17–1.53], p < 0.001) were found to predict the risk of 30-day readmission. Conclusion: The 30-day readmission rate in patients with spontaneous pneumothorax was 13.6%, and a recurrent event was the most likely cause. The 30-day readmissions were associated with higher mortality and hospitalization charges. Middle age and history of cancer increase likelihood of 30-day readmission. [ABSTRACT FROM AUTHOR]
    • Abstract:
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