Heart failure & cardiomyopathies
Impact of Mental Disorders on Unplanned Readmissions for Congestive Heart Failure Patients: A Population-Level Study
Main finding · 28-day all-cause unplanned readmissionResult — go to the resultHazard ratio 1.21 95% CI 1.15–1.27Authors' conclusion
CHF patients who had a mental disorder diagnosis in the past 12 months are more likely to be readmitted compared with those without a mental disorder diagnosis. CHF patients with frailty and a mental disorder have the highest probability of readmission.
Study context
- Population
- Adults ≥18 years with a congestive heart failure (CHF) admission discharged alive, New South Wales, Australia, 2014–2020discharged alive
- Participants
- 65,861 adults
- Exposure
- Mental disorder diagnosis within 12 months vs no mental disorder
- Outcome
- All-cause unplanned readmission
- Follow-up
- 28 days after discharge
Methodological detailspopulation-level linked data, competing risk analysis
- Population-level linked data
- Competing risk analysis
Main finding
28-day all-cause unplanned readmission · 28 days
Hazard ratio
1.21
95% CI 1.15–1.27
P < 0.001
As reported in the abstract
Observational data: associations, not effects.
Further findings
28-day unplanned readmission, anxiety disorder
| HR (95% CI) | P value | ||
|---|---|---|---|
| Anxiety disorder | 1.49 (1.35–1.65) | P < 0.001 | |
| 0.512Hazard ratio (log scale) |
28-day unplanned readmission, other risk factors
| HR (95% CI) | ||
|---|---|---|
| CHF patients aged ≥85 years | 1.19 (1.11–1.28) | |
| Having ≥3 other comorbidities | 1.35 (1.25–1.46) | |
| Intermediate frailty score on admission | 1.34 (1.28–1.40) | |
| High frailty score on admission | 1.37 (1.27–1.47) | |
| 0.512Hazard ratio (log scale) |
Probability of unplanned readmission: mental disorder, ≥3 other comorbidities and intermediate frailty score
- Highest probability of unplanned readmission (95% CI 24.68-35.73%), after considering other patient-level factors and competing events
- 29.84%
Original publication
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