Neutrophil to lymphocyte ratio (NLR) and short-term mortality risk in elderly acute medical patients admitted to a University Hospital Emergency Department - Galardo, Gioacchino; Crisanti, Luca; Gentile, Andrea; Cornacchia, Marco; Iatomasi, Francesca; Egiddi, Iacopo; Puscio, Emanuele; Menichelli, Danilo; Pugliese, Francesco; Pastori, Daniele (Internal and Emergency Medicine: Official Journal of the Italian Society of Internal Medicine, 2025)