Risk factors for onset of delirium after neck of femur fracture surgery: a prospective observational studyMuaaz Tahir, Shahbaz S Malik, Usman Ahmed, Jakub Kozdryk, Syeda Huma Naqvi and Atul MalikSICOT-J, 4 (2018) 27DOI: https://doi.org/10.1051/sicotj/2018018