Heart failure & cardiomyopathies

Predicting 30-day mortality after hospital admission for heart failure: the National Heart Failure Audit for England and Wales

HeartPublished Development and validation of a risk model

Authors' conclusion

A risk model based on a few widely available variables accurately predicts mortality within 30 days of hospital admission for heart failure, which may enable fair comparisons between hospitals in England and Wales.

Study context

Population
Patients with a first admission coded as heart failure as the primary reason for admission, National Heart Failure Audit for England and Walesmodel development · Development 54,080 · 2018-2019 validation cohort 43,942
Participants
54,080 patients
Predictors
Ten variables widely available in clinical practice
Predicted outcome
30-day mortality from the day of admission
Methodological detailslogistic regression with robust SEs, temporal validation, geographical validation
  • Logistic regression with robust SEs
  • Temporal validation
  • Geographical validation

Model performance

As reported in the abstract

C-statistic
30-day mortality
0.80(95% CI 0.79 to 0.81)

Calibration slope

1.00

95% CI 0.97 to 1.03

Calibration-in-the-large

−0.02

95% CI −0.06 to 0.01

Further findings

Observed vs predicted mortality

Good agreement across all deciles of risk

Temporal validation (subsequent years)

Model performance for subsequent years was similar

Geographical validation

Similarly satisfactory

Original publication

Predicting 30-day mortality after hospital admission for heart failure: the National Heart Failure Audit for England and Wales. Heart. Published 6 January 2026. doi:10.1136/heartjnl-2025-326731

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