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Self-rated health and mortality in patients with chronic heart failure
Jerneja Farkas1, Samantha Nabb, Lijana Zaletel-Kragelj
1Chair of Public Health, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia.
Insights
Self-rated health (SRH) in chronic heart failure (CHF) patients predicts mortality. Poor SRH indicates a higher risk, offering valuable prognostic insight beyond clinical assessments.
Area of Science:
- Cardiology
- Public Health
- Geriatrics
Background:
- Limited data exists on self-rated health (SRH) in chronic heart failure (CHF) patients.
- Understanding SRH distribution and its prognostic value is crucial for patient management.
Purpose of the Study:
- To investigate the distribution of SRH in stable CHF patients.
- To determine if SRH is associated with mortality in this population.
Main Methods:
- Prospective study of 100 stable CHF patients with a 48-month follow-up.
- SRH assessed using a seven-grade descriptive scale.
- Mortality analyzed using Cox proportional hazard models.
Main Results:
- Median SRH was 'quite poor'; 'average' was the most frequent rating.
- 58% of patients died during follow-up.
- Poorer SRH ratings (quite poor or worse) were associated with significantly higher mortality (70% vs. 43%, P=0.008).
- SRH independently predicted mortality, even after adjusting for clinical factors and biomarkers (HRs 1.39-2.13).
Conclusions:
- Self-rated health is an independent predictor of mortality in stable CHF patients.
- SRH provides prognostic information beyond traditional clinical evaluations.
- SRH can be a valuable tool in routine clinical practice for assessing patient risk.
Aims:
In patients with chronic heart failure (CHF), there is limited information on self-rated health (SRH). We aimed to examine the distribution of SRH and whether SRH is associated with mortality in patients with stable CHF.
Methods And Results:
We enrolled 100 patients (71 +/- 11 years, 54% men, left ventricular ejection fraction 47 +/- 11%) in a prospective study with 48 months of follow-up. Self-rated health was assessed using a seven-grade descriptive scale: very good, good, quite good, average, quite poor, poor, and very poor. Median SRH was quite poor and the most frequent SRH (31 patients) was average. During an average follow-up of 1005 +/- 507 days, 58 patients died. More patients in the group that rated their health as quite poor or worse died (70% vs. 43%, P = 0.008). In a Cox proportional hazard model, SRH as a seven-grade descriptive scale [hazard ratios (HR) 1.39, 95% CI 1.10-1.74] or as a median value (HR 2.13, 95% CI 1.23-3.69) predicted mortality. The association remained significant after adjustment for patient characteristics and biomarkers (P < 0.05 for both).
Conclusion:
In patients with stable CHF, SRH independently predicts mortality. This suggests that SRH could be used in everyday clinical practice to obtain important prognostic information beyond clinical examination and laboratory work-up.
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