“…Emergency admissions are defined as all those admitted acutely through the emergency department. The HIPE database previously demonstrated to achieve significant fidelity in the capture of hospital admissions to approximately 86 % [10]. A variety of variables are recorded and for the purpose of this study the following were obtained: age, gender, date of admission and date of discharge, LOS, the admitting and discharging consultant, primary diagnosis (including other diagnoses recorded up to a maximum of four) and the primary procedure performed (including other procedures recorded up to a maximum of four).…”