“…Most included studies were single-centre studies reporting the prevalence of concomitant injury in admission to a single trauma centre within a set time-period [1,2,7,9,21,23,24,27,30,33,35,37,41,47]. All other studies included in this review reported the prevalence of concomitant injury from review of a multi-centre trauma database [6,12,15,16,19,28,34].…”