Risk assessment models for potential use in the emergency department have lower predictive ability in older patients compared to the middle-aged for short-term mortality - a retrospective cohort study. - Schultz M; Rasmussen LJH; Carlson N; Hasselbalch RB; Jensen BN; Usinger L; Eugen-Olsen J; Torp-Pedersen C; Rasmussen LS; Iversen KK (BMC geriatrics, 2019)