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July 9, 2026NutrientsOpen Access

GNRI-defined nutritional risk shows no independent link to in-hospital mortality after adjusting for HF severity.

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Why the study?

Is GNRI-defined nutritional risk associated with prevalent diabetes mellitus and in-hospital mortality in patients hospitalized with heart failure?

Population

278 consecutive patients hospitalized with heart failure at a tertiary cardiology center

Comparison

GNRI-defined nutritional risk (GNRI < 98) vs No nutritional risk (GNRI ≥ 98)

Design

Cohort

Follow-up

in-hospital

Key result

GNRI-defined nutritional risk was associated with higher in-hospital mortality than no nutritional risk (29.1% vs. 10.6%, p<0.001), but this lost significance after adjusting for HF severity.

Authors

CNConstanta Corina NituVRVictoria RusFRFlorina Ruţă

Discussion

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Overview

Nutritional risk screening may identify higher-mortality HF patients with diabetes; leaves open whether interventions improve outcomes.

Key Points

  • This study aims to evaluate the relationship between nutritional risk assessed by GNRI, diabetes mellitus prevalence, and in-hospital mortality in heart failure patients.
  • Prospective observational design including 278 patients hospitalized with heart failure.
  • Nutritional risk was assessed using GNRI, classifying patients into risk categories.
  • Logistic regression evaluated the link between GNRI and diabetes; Cox regression and Kaplan–Meier assessed in-hospital mortality.
  • 42.1% of patients had GNRI-defined nutritional risk.
  • Patients with nutritional risk had a higher prevalence of diabetes (73.5% vs. 50.9%, p < 0.001) and longer hospital stays.
  • In-hospital mortality was almost three times higher in patients with nutritional risk (29.1% vs. 10.6%, p < 0.001).

Study Design

Type

Observational (n=278)

Multicenter

No

Structured PICO

Is GNRI-defined nutritional risk associated with prevalent diabetes mellitus and in-hospital mortality in patients hospitalized with heart failure?

P
Population
278 consecutive patients hospitalized with heart failure, assessed for nutritional risk during their hospital stay.
E
Exposure
GNRI-defined nutritional risk (GNRI < 98)
C
Comparator
No nutritional risk (GNRI ≥ 98)
O
Outcome
Prevalence of diabetes mellitus and in-hospital mortalityhard clinical

Main Result

Absolute Event Rate: 29.1% vs 10.6%

p-value: p=<0.001

Lower GNRI values identify heart failure patients with greater nutritional vulnerability, higher diabetes prevalence, and increased unadjusted in-hospital mortality.

Cite This Study

Nitu et al. (2026) conducted an observational in Heart failure (n=278). GNRI-defined nutritional risk (GNRI < 98) vs. No nutritional risk (GNRI ≥ 98) was evaluated on In-hospital mortality (p=<0.001). GNRI-defined nutritional risk was associated with higher in-hospital mortality than no nutritional risk (29.1% vs. 10.6%, p<0.001), but this lost significance after adjusting for HF severity.

synapsesocial.com/papers/6a4f3c8a2b81a944af575d88https://doi.org/10.3390/nu18132198
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Also Consider

Synapse has enriched one closely related paper. Consider it for comparative context:

  1. 1Hidden Malnutrition in Overweight and Obese Individuals with Chronic Heart Failure: Insights from the Pro-HEART Trial2025 · 6 citations