“…In the 15 studies where it was stated the mean age of the cohorts was 38.5 (SD 10.4) [ 102 – 104 , 108 , 110 – 113 , 115 – 121 ]. Mean time from injury to imaging was not stated in 14 studies [ 102 – 104 , 106 – 109 , 111 , 113 – 115 , 117 , 119 , 120 ]. In the six studies where this was stated [ 110 , 112 , 116 , 118 , 119 , 121 ], it ranged from 3.3 days [ 112 ] to 6 months [ 110 ].…”