Why the study?
The predictive value of the neutrophil-to-apolipoprotein AI ratio for death in elderly patients with non-valvular atrial fibrillation has not been fully recognized.
Does a high neutrophil-to-apolipoprotein A1 ratio predict all-cause and cardiovascular death in elderly patients with non-valvular atrial fibrillation?
Does a high neutrophil-to-apolipoprotein A1 ratio predict all-cause and cardiovascular death in elderly patients with non-valvular atrial fibrillation?
A high neutrophil-to-apolipoprotein A1 ratio is a promising biomarker for predicting increased risk of all-cause and cardiovascular mortality in elderly patients with non-valvular atrial fibrillation.
NAR may aid mortality prediction in elderly NVAF; hypothesis-generating and requires prospective validation before any practice change.
Neutrophil-to-apolipoprotein AI ratio’s (NAR’s) predictive value for the elderly non-valvular atrial fibrillation (NVAF) patients' death has not been fully recognized. We consecutively enrolled 1224 elderly patients with NVAF (≥75 years). With an average follow-up of 733.35 ± 271.39 days, 222 all-cause deaths were identified. Among these, 101 were caused by cardiovascular diseases. Cox regression showed that after correcting for potential confounders, patients in the Q4 group had an increased all-cause (hazard ratio [HR] = 1.90, 95% confidence interval [CI]: 1.20–2.99) and cardiovascular death (HR = 2.59, 95% CI: 1.30–5.15) risk compared to those in the lowest NAR quartile. Kaplan–Meier analysis indicated that all-cause and cardiovascular death were higher in the high NAR than those in the lowest NAR category (log rank, all, P < 0.001). A nonlinear association was observed between death and NAR. NAR may be a promising predictive biomarker for identifying elderly NVAF patients with poor clinical prognoses.
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Zhang et al. (2023) studied this question.
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