“… 63 , 87 , 98 , 108 Forty-six studies estimated the outcomes of interest and contributed to pooled estimates of risk. 6–9 , 27 , 28 , 30 , 32 , 37 , 41 , 42 , 52 , 54 , 55 , 57 , 59 , 60 , 62 , 63 , 65 , 66 , 69 , 71 , 73–78 , 86 , 87 , 90 , 93 , 97–104 , 106–109 , 114 , 125 , 130 , 139 Four studies presented data regarding specific injury subtypes. 32 , 55 , 71 , 103 One study only contributed to the narrative synthesis due to the outcome measure it assessed.…”