“…Considering this, for the purpose of this review, all studies which investigated law enforcement officers who were considered to have sustained ‘an injury’ were included. Several studies [7,13,14,15,16,17] did not specify whether the reported injuries occurred while the officer was on duty, whereas the remaining studies only included injuries that occurred whilst an officer was on duty [5,6,11,12,15,18,19,20,21,22]. The full criteria are detailed in Table 2.…”