Performance of Six Clinical Physiological Scoring Systems in Predicting In-Hospital Mortality in Elderly and Very Elderly Patients with Acute Upper Gastrointestinal Bleeding in Emergency Department. - Wu PH; Hung SK; Ko CA; Chang CP; Hsiao CT; Chung JY; Kou HW; Chen WH; Hsieh CH; Ku KH; Wu KH (Medicina (Kaunas, Lithuania), 2023)