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The neutrophil to lymphocyte ratio (NLR) at admission is a prognostic marker for acute coronary syndrome (ACS). However, no study was performed exclusively with older people. The present study evaluated the NLR in older people with ACS as a predictor of death, combined major in-hospital outcomes (death, stroke, reinfarction), hospital stay, ventricular ejection fraction, use of vasoactive drugs, and extent of coronary artery disease. We conducted a retrospective cohort study with in-hospital follow-up using data from a single center in Recife, Brazil. Patients aged 60 and older admitted with ACS were selected. The patients were followed until discharge or death. A total of 272 individuals were evaluated; 55.8% were men and the mean age was 73 years. The NLR was not a predictor of in-hospital death. A higher NLR upon admission was associated with a longer hospital stay (β = 0.131; 95% confidence interval [CI]: 0.017-0.246; P = .024) and an ejection fraction <50% (relative risk = 2.1; 95% CI: 1.19-3.57; P = .001). The other outcomes did not reach significance. The NLR was associated with a longer hospital stay and a left ventricular ejection fraction <50% in older people with ACS.

RESUMOINTRODUÇÃO: Indivíduos com síndrome coronariana aguda e menores taxas de filtração glomerular são associados a piores desfechos. Apesar de diversas fórmulas terem sido propostas para estimar a taxa de filtração glomerular, ainda não está definido qual delas teria o melhor poder de predição dos desfechos em pacientes idosos com síndrome coronariana aguda. OBJETIVO: Comparar três fórmulas para a taxa de filtração glomerular a fim de predizer a mortalidade intra-hospitalar e outros desfechos. MÉTODOS: Coorte retrospectiva intra-hospitalar com idosos acometidos com síndrome coronariana aguda, admitidos em Unidade de Terapia Intensiva Cardiológica, no período de 1 de janeiro a 31

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