Unplanned readmission rates, length of hospital stay, mortality, and medical costs of ten common medical conditions: a retrospective analysis of Hong Kong hospital data
2011

Unplanned Readmissions and Costs in Hong Kong Hospitals

Sample size: 337694 publication Evidence: moderate

Author Information

Author(s): Wong Eliza LY, Cheung Annie WL, Leung Michael CM, Yam Carrie HK, Chan Frank WK, Wong Fiona YY, Yeoh Eng-Kiong

Primary Institution: School of Public Health and Primary Care, The Chinese University of Hong Kong

Hypothesis

This study aimed to investigate the factors associated with 30-day unplanned readmission for 10 common conditions and to determine the cost implications.

Conclusion

The study found variations in readmission rates and mortality for different medical conditions, suggesting differences in the quality of care provided.

Supporting Evidence

  • The overall unplanned readmission rate was 16.7%.
  • Chronic liver disease and cirrhosis had the highest odds ratio for readmission.
  • Malignant neoplasms had the highest mortality rate at 30.8%.
  • Patients with cerebrovascular disease had the longest length of stay.

Takeaway

This study looked at why some patients have to go back to the hospital soon after leaving, and it found that certain illnesses make this more likely.

Methodology

This was a population-based retrospective cohort study analyzing hospital data from all public hospitals in Hong Kong in 2007.

Potential Biases

Potential systematic differences or errors in data entry of codes may exist.

Limitations

The study did not account for the severity of disease and other co-morbidities, and cost data were incomplete.

Participant Demographics

The mean age of patients was 69.5 years, with 52.7% being men and 30.8% receiving public assistance.

Statistical Information

Confidence Interval

95% CI 1.39-1.87

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1472-6963-11-149

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